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Please help I NEED IT ASAP

Please help I NEED IT ASAP-example-1
User MarBlo
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Answer:

she rides her bike at a rate of 8mph during the second part of the trip.

Explanation:

for the first part of the trip, she rides 18 miles in 2 hours which means that she bikes at a rate of 9 miles per hour.

subtracting 18 from 58 gives us the distance she biked during the second part of her trip (which is 40 miles). subtracting 2 from 7 gives us that she biked for 5 more hours. Putting this together means she biked 40 miles in 5 hours.

Now divide miles by hours
(40mi)/(5hrs) =8mph to get your average rate of change for the second part of the trip.

User Eamon Nerbonne
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