Question

by what rational number should we myltiply 20/-9, so the product may be -5/9​

Answer 1

Answer:

Step-by-step explanation:

Let x be the required number.

Then according to question

(20/-9)×x = -5/9

x = (-5/9) × (-9/20)

= 5/20 = 1/4

The required rational number = 1/4