How many ounces of macaroni would you need for nine cups of cheese

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

Which recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous year? f(n+1)=f(n)+5

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?