Question

Mark and Don are planning to sell each of their marble collections at a garage sale. If Don has 8 more than 2 times the number of marbles Mark has, how many does each boy have to sell if the total number of marbles is 71?

Answer 1

Don=50, Mark= 21, X=21

Explanation:

don-2x+8, mark- x

3x+8=71

-8. -8

3x. =. 63

——————-

3

x=21