Ahot air balloon begins its descent at a rate of 22 1/2 feet per minute. how long will it take for the balloon's elevation to change by -315 feet?
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step-by-step explanation:

10.416 meters per second

step-by-step explanation:

distance=1 00 meters

time= 9.6 seconds in decimal form or 9 3/5 as a mixed number

average speed= 100/9.6

=10.416 meters per second or 10 52/125 as a mixed number.

part a: 1.08

part b: 27.59