B Set 90 Unknown

This page uses a content type that does not have a custom renderer yet. Raw structured data is shown below.

{
    "contentData": {
        "operation": "money",
        "subject": "arithmetic",
        "difficulty": "easy",
        "config": {
            "maxNumber": 10
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        "problems": [
            {
                "id": 1,
                "type": "money",
                "subType": "add-money",
                "question": "6 cents + 50 cents = ?",
                "answer": 56,
                "correctAnswer": "56",
                "difficulty": "normal"
            },
            {
                "id": 2,
                "type": "money",
                "subType": "count-coins",
                "question": "2 quarters + 5 nickels = ? cents",
                "answer": 75,
                "correctAnswer": "75",
                "difficulty": "normal"
            },
            {
                "id": 3,
                "type": "money",
                "subType": "add-money",
                "question": "45 cents + 49 cents = ?",
                "answer": 94,
                "correctAnswer": "94",
                "difficulty": "normal"
            },
            {
                "id": 4,
                "type": "money",
                "subType": "make-change",
                "question": "You pay $1.00 for an item that costs $0.50. How much change do you get back?",
                "answer": 50,
                "correctAnswer": "50",
                "difficulty": "normal"
            },
            {
                "id": 5,
                "type": "money",
                "subType": "add-money",
                "question": "9 cents + 34 cents = ?",
                "answer": 43,
                "correctAnswer": "43",
                "difficulty": "normal"
            },
            {
                "id": 6,
                "type": "money",
                "subType": "add-money",
                "question": "7 cents + 1 cents = ?",
                "answer": 8,
                "correctAnswer": "8",
                "difficulty": "normal"
            },
            {
                "id": 7,
                "type": "money",
                "subType": "add-money",
                "question": "35 cents + 33 cents = ?",
                "answer": 68,
                "correctAnswer": "68",
                "difficulty": "normal"
            },
            {
                "id": 8,
                "type": "money",
                "subType": "make-change",
                "question": "You pay $1.00 for an item that costs $0.30. How much change do you get back?",
                "answer": 70,
                "correctAnswer": "70",
                "difficulty": "normal"
            },
            {
                "id": 9,
                "type": "money",
                "subType": "make-change",
                "question": "You pay $5.00 for an item that costs $3.25. How much change do you get back?",
                "answer": 175,
                "correctAnswer": "175",
                "difficulty": "normal"
            },
            {
                "id": 10,
                "type": "money",
                "subType": "count-coins",
                "question": "2 pennies + 1 nickel = ? cents",
                "answer": 7,
                "correctAnswer": "7",
                "difficulty": "normal"
            },
            {
                "id": 11,
                "type": "money",
                "subType": "count-coins",
                "question": "2 pennies + 3 dimes = ? cents",
                "answer": 32,
                "correctAnswer": "32",
                "difficulty": "normal"
            },
            {
                "id": 12,
                "type": "money",
                "subType": "make-change",
                "question": "You pay $2.00 for an item that costs $1.20. How much change do you get back?",
                "answer": 80,
                "correctAnswer": "80",
                "difficulty": "normal"
            },
            {
                "id": 13,
                "type": "money",
                "subType": "add-money",
                "question": "44 cents + 23 cents = ?",
                "answer": 67,
                "correctAnswer": "67",
                "difficulty": "normal"
            },
            {
                "id": 14,
                "type": "money",
                "subType": "add-money",
                "question": "37 cents + 19 cents = ?",
                "answer": 56,
                "correctAnswer": "56",
                "difficulty": "normal"
            },
            {
                "id": 15,
                "type": "money",
                "subType": "count-coins",
                "question": "3 quarters + 3 nickels = ? cents",
                "answer": 90,
                "correctAnswer": "90",
                "difficulty": "normal"
            },
            {
                "id": 16,
                "type": "money",
                "subType": "add-money",
                "question": "31 cents + 3 cents = ?",
                "answer": 34,
                "correctAnswer": "34",
                "difficulty": "normal"
            },
            {
                "id": 17,
                "type": "money",
                "subType": "count-coins",
                "question": "3 quarters + 2 pennies = ? cents",
                "answer": 77,
                "correctAnswer": "77",
                "difficulty": "normal"
            },
            {
                "id": 18,
                "type": "money",
                "subType": "make-change",
                "question": "You pay $5.00 for an item that costs $1.45. How much change do you get back?",
                "answer": 355,
                "correctAnswer": "355",
                "difficulty": "normal"
            },
            {
                "id": 19,
                "type": "money",
                "subType": "add-money",
                "question": "4 cents + 38 cents = ?",
                "answer": 42,
                "correctAnswer": "42",
                "difficulty": "normal"
            },
            {
                "id": 20,
                "type": "money",
                "subType": "add-money",
                "question": "45 cents + 24 cents = ?",
                "answer": 69,
                "correctAnswer": "69",
                "difficulty": "normal"
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
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    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
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