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 = $2000.00, A = $2015.00, t = 3 months...

Extracted text: 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 = $2000.00, A = $2015.00, t = 3 months .... % (Round to the nearest tenth of a percent.)