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vladimir2022 [97]
3 years ago
5

Starting at home, Ishaan traveled uphill to the gift store for 18 minutes at just 10 mph. He then traveled back home along the s

ame path downhill at a speed of 30 mph.
What is his average speed for the entire trip from home to the gift store and back?
Mathematics
1 answer:
Tanzania [10]3 years ago
8 0
D=TxR
D=18 minutes x 10 miles/hr
D= 180 minutes miles / hr      1 hr/60 minutes
D= 3 miles

T= D/R    T= 3 miles/ 30 miles/ hr  T= 1/10/hr  6 minutes

It took Ishaan 24 minutes to go 6 miles so his average speed is D/T=R
6miles/24minutes=miles/hr  1 miles/4 minutes x 60 minutes/hr =  15 miles/hr
Ishaan's average speed was 15 mph.

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