Question

X varies directly with
y. If x = 60 when
y = 75. find x when
y = 32.

Answer 1

25.6

Explanation:

find constant of variation ('k'):

y = kx

75 = 60k

k = 75/60 or 5/4

32 = 5/4x

cross-multiply:

5x = 128

x = 25.6

Answer 2

x=17

Explanation: