The principal "p" is borrowed and the loan's future value "a" at time "t" is given. determine the loan's simple interest rate "r" to the nearest tenth of a percent. p=2500.00 a=2525.00 t=3 months

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project