Can someone give me the answers ill give all my points

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

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

Im literally having a mental breakdown