The Kwon family has a rainwater catchment system they use to water their garden. The
storage tank is 80 inches deep. After 3 hours of rain, the depth of water in the tank is 37
inches. After 5 hours, the depth is 60 inches. If the rain continues to fall at the same rate,
how many hours will it take to fill the tank? Round your answer to the nearest tenth.
N
hours