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math

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danielle plays softball and basketball. however because she like basketball more, she spends 3 times as long playing basketball than she does playing softball. if she spends 18 hours a week playing these sports, how much time does she devote tp playing basketball?

a)13 hours
b)13.5 hours
c)12 hours
d)4.5 hours

tell me how to get the answer and label variables you use please

  • math - ,

    b=3s, so
    s+3s=18
    4s=18
    s=4.5
    so, b=3s=13.5
    (b)

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