Mrs. Urbina wants to buy 8 protractors and some erasers for her classroom. She has $30. If the protractors cost $2.65 each, how much will Mrs. Urbina have left to buy erasers?

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.