Question

If y varies jointly as x and z and y = 24 when x = 2 and z = 1, find y when x is 12 and z is 2.

A. 288
B. 48
C. 576
D. 144​

Answer 1

288

Explanation:

y= xkz

K= y/xz

= 24/2×1

= 24/2

= 12

y= xkz

= 12×12×2

= 288

Hence the value of y is 288