Question

By which rational number -63/25is to be divided to get -7/2

Answer 1

Let the required number be x. Then,
according to question

-63/25 ÷ x = -7/2
-63/25 ÷ 1/x = -7/2
-63/25x = -7/2
-63×2 = -7 × 25x
-63×2 = -175x
x = -63×2/25
x = 18/25.


Hope it helps you.
With regards@
Tanisha