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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.

Respuesta :

~~6.7
Just looking at the fifth hour you can divide 60 by five to get twelve as the inches per hour. Then divide that into 80.
Or you could go about it the complex way where you find the slope of a line like this as change in y over change... stuff like that.

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