The empty gas tank of a motor boat is to be filled. the tank is shaped like a rectangular prism with length 20cm , width 20cm , and height 15cm . suppose gas is pumped into the tank at a rate of 750cm3 per minute. how many minutes does it take to fill the empty tank?

To determine how long it will take to fill the empty tank, you will first find the capacity of the tank (the volume) and then divide this into groups of 750 cm^3.  Every group will be one minute.

V =lwh
20 x 20 x 15
V = 6000 cm^3

6000 cm^3/750 cm^3 = 8

It will take 8 minutes to fill the empty tank.

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