Question

if x by Y equal to (4/7)^-1 into (14/20)^-2 find (x/y)^-2​

Answer 1

Step-by-step explanation:

x/y = (7/4) × (20/14)²

x/y = 7/4 × 100/49 = 25/7

Now , (x/y)^-2

(25/7)^-2

(7/25)² = 49/625