Mark has some money in his wallet. He was paid $8 for for working for an hour and then had a total of $15. How much money did he have in his wallet before working?

show your work

Respuesta :

Mark had $7 in his wallet before working.

15 - 8 = 7

We subtract the 8 dollars that he earned for working from the 15 dollars that he had in the end to find what he had at first.