Hannah earns $12 each time she cleans some ones car. She has earned a total of $108. Write an equation, using c, to represent the number of cars she has cleaned.

Eric and shiloh each have a savings account. the ratio of eric’s account balance to shiloh’s account balance is 4: 3. together they have a total of $140 in their accounts. use the tape diagram below to you determine the balance of eric’s account.