Asked by Lizzy
The time it takes Javier to go to school and his walking rate are inversely proportional. If it takes him 12 mins walking at 3 mph how long does it take if he walks at 4 mph?
Answers
Answered by
Steve
t = k/r
12 = k/3
k = 36
t = 36/r
when r=4,
t=36/4 = 9 min
12 = k/3
k = 36
t = 36/r
when r=4,
t=36/4 = 9 min
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