A 45,000 liter water tank is to filled at the rate 220 liters per minute. Estimates to the nearest half hour, how long it will take to fill the tank?

A 45,000 liter water tank is to filled at the rate 220 liters per minute. Estimates to the nearest half hour, how long it will take to fill the tank? Correct Answer 3.5 hours

Assume that the tank fills in x minutesBy Direct Proportion,x1/y1 = x2/y2220/1 = 45000/xx = 45000/220x = 204.54 x = 205 minutes (approx.)Divide x by 60 in order to convert from Minutes to Hours⇒ 205/60 = 3.41 hoursEstimating to nearest half hours, The 45000 L tank is filled in 3.5 hours at the rate of 220 L/m
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