Connor works part-time at an electronics store. He is paid an hourly rate of $10.25/h and also earns a commission of 3.5% of his total weekly sales. Connor works at the store 12 hours a week. If Connor’s goal is to earn $150 every week, what do his total weekly sales need to be?

Let E be Connor’s earnings for the week.

Let t be the hours he works at the electronics store for the week.

Let s be his total weekly sales.

E = 10.25t + 0.035s