Where should i put it and what does the question mean

Match each function with its rate of growth or decay

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)