Question

Sarah has a total of 52 DVD's and CD's. If the number of CD's is two more than four times the number of DVD's, how many CD's does she have?

Answer 1

let CD's is x and DVD's is y
then
x-4y = 2 ===> 1st. equation
x + y = 52 ===> 2nd. equation

then x=42 and y =10
Sarah has 42 CD's and 10 DVD's

Answer 2

thanks

Answer 3

Welcome :)