Hello,

let x be the amount of the 2%-solution

let y be the amount of the 12%-solution

Then you get 2 simultanous equations:

A: x+y=150

B: 0.02*x+0.12*y=0.08*150=12

Multiply the equation B by 50 and calculate 50*B-A:

5y=450. Thus y = 90. Plug in this result into A. You'll get x = 60.

EB