Gia's friends drunk 3 1/3 gallons of punch at the party and then another 1/2 gallon the next morning if gia has 2 1/3 gallons of punch left how much did she buy originally

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers