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18 April, 12:42

When their reports cards came back, Pete, Chris, and Dina realized that they shared an amount of A's in the ratio 4:2:5. If Pete got 14 more A's than Chris, how many A's did Dina get?

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  1. 18 April, 13:47
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    35

    Step-by-step explanation:

    The difference between Pete's number of "ratio units" (4) and Chris's (2) is ...

    ... 4 - 2 = 2

    This difference represents 14 As, so each "ratio unit" stands for ...

    ... 14/2 = 7

    As. Then Dina's 5 "ratio units" correspond to 5*7 = 35 As.
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