Question

3. Jerry has two part-time jobs, one at a grocery store and one at a sporting goods store. He is paid by the hour at each job. Last week, he worked 10 hours at the grocery store and 12 hours at the sporting goods store and earned a total of $168.00. The week before, he worked 14 hours at the grocery store and 8 hours at the sporting goods store and earned a total of $167.00.