Question

12.By what number should be multiplied -15/28 so that the product may be
-5/7.
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Answer 1

-5/7÷-15/28

-5/7×28/-15

=-4/-3

=4/3

verification -

4/3×-15/28

=-5/7

Answer 2

Answer:

let the no. = x

( -15/28) • x = -5/7

x =. -5/7 × (-28/15)

x = 4/3

... hope it's helpful