Matt earned $162 this week working 9 hours. Matt wants to buy a new video game system for $342. How many hours does Matt need to work in all to buy the video game system? Explain how you know.
Step-by-step explanation: he needs to work 19 hours because if you divide the sum of money(162$) he got from working 9 hrs you get that he makes 18$ per hour then divide that by the sum of money that he needs(342$)
