Question

Sean sold 4 more boxes of candy for the school fundraiser than Marta. The sum of the boxes they sold was 22. How many boxes did each sell?

Answer 1

Marta is represented by x,
Sean is represented by x+4,
x+x+4=22
2x+4=22
2x=18
x=9
So Marta sold 9 boxes and Sean sold 13.