Each marble bag sold contains 4 green marbles for every 3 blue marbles if a bag has 21 blue marbles how many green marbles does it contain

Question

Each marble bag sold contains 4 green marbles for every 3 blue marbles if a bag has 21 blue marbles how many green marbles does it contain

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Thu Giang 4 years 2021-08-22T20:18:30+00:00 1 Answers 10 views 0

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  1. Maris
    0
    2021-08-22T20:20:18+00:00
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    4/3 = x/21
    So you can cross multiply and divide:
    3x = 84
    x = 28

    Or you can say 3 times what equals 21? The answer is 7. Then multiply 4 times 7 to get the answer. Whichever makes more sense to you 🙂

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