Question

If x varies directly as 3y and
a x = 8 when y=3, find x when y= 27​

Answer 1

Answer:

=> x:3y

x=8

y=3

=> 8:3(3)

=> 8:9

=> 8:9::x:27

=> 27×8 = 9×x

=> x= 27×8/9

=> x= 3×8 = 24