Raymond D. answered • 06/29/21

Retired, But Enjoy Passing on Math and Computer Knowledge

From Jon's answer

N + Q = 39

N*0.05 + Q*0.25 = 5.35

multiply fist equation by -.05

-0.05N - 0.05Q= -1.95

0.05N+0.25Q =5.35

add equations

0.2Q=3.4

Q=17

N +17 = 39

N= 39-17 =22