## Tia was flying her model airplane. it took the airplane 5 seconds to go 90 feet. what was the average rate of speed of the model airplane, i

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## Answers ( No )

By definition, the speed is given by the quotient between the distance traveled and the time it takes to travel that distance. We have then that the expression for speed is as follows

v = d / t

where

d: distance

t: time

Substituting

v = (90feet) / (5s) = 18feets / s

answerthe average rate of the airplane model, in feet per second was 18feets / s18 feet per second: To find the average rate in feet per second, divide distance (90 feet) by time (5 seconds) to get 18 feet per second.