Question

by what number should 5/7 be divide to get -15/56

Answer 1

Answer:

Let the no be X.

Now by question,

(5/7)÷x= -15/56

Or,5x/7+15/56=0

Or,(40x+15)/56=0

Or,40x+15=0

Or,40x= -15

Or,X= -15/40= -3/8

Answer 2

-3/8

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