Maths

Jack spends 1 3/5 as long on his homework as Jill. Last week, Jill spent 7 1/4 hours doing homework. How long did Jack spend doing homework?

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asked by Chloe
  1. clearly,
    (7 1/4)*(1 3/5) = 29/4 * 8/5 = ?

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    posted by Steve

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