Question

The value of y varies directly with x. When x = 15, y= 12, what is the value of y when x = 10 ¼?

Answer 1

8.2

Explanation:

x=10 1/4=41/4

we have to do Unitary method.

when x=15 then y=12

when x=1 the y=12/15

when x=41/4 then y=(12*(41/4))/15