Question

Assume that y varies directly with x, then solve.

if y=2 2/3 when x=1/4, find y when x=1 1/8.
y=?

Answer 1

12

Explanation:

y = kx

2⅔ = k(¼)

8/3 = k/4

k = 4×8/3 = 32/3

y = (32/3)x

y = (32/3)(1⅛)

y = (32/3)(9/8)

y = 3×4 = 12