Question

The product of two rational numbers is -5/8. If one of the numbers is 4, then find the other.

Answer 1

one rational number=4
second number =x
product= -5/8

4* x= -5/8
x=(-5/8)*(1/4)
x= -5/32
therefore
second number=x= -5/32

Answer 2

Let the other rational number be X

ATQ

4x=-5/8
x=-5/8×1/4
x=-5/32