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## Johnny travels a total of one hour to and from school. On the way there he jogs at $$5$$ miles per hour and on the

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### Johnny travels a total of one hour to and from school. On the way there he jogs at $$5$$ miles per hour and on the

by BTGmoderatorLU » Thu Jul 28, 2022 3:35 pm

00:00

A

B

C

D

E

## Global Stats

Source: Princeton Review

Johnny travels a total of one hour to and from school. On the way there he jogs at $$5$$ miles per hour and on the return trip he gets picked up by the bus and returns home at $$20$$ miles per hour. How far is it from the school?

A. $$2$$ miles
B. $$4$$ miles
C. $$4.8$$ miles
D. $$8$$ miles
E. $$10$$ miles

The OA is B

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### Re: Johnny travels a total of one hour to and from school. On the way there he jogs at $$5$$ miles per hour and on the

by [email protected] » Fri Dec 30, 2022 8:04 am
BTGmoderatorLU wrote:
Thu Jul 28, 2022 3:35 pm
Source: Princeton Review

Johnny travels a total of one hour to and from school. On the way there he jogs at $$5$$ miles per hour and on the return trip he gets picked up by the bus and returns home at $$20$$ miles per hour. How far is it from the school?

A. $$2$$ miles
B. $$4$$ miles
C. $$4.8$$ miles
D. $$8$$ miles
E. $$10$$ miles

The OA is B
We can create the following equation since we know that time = distance/rate and since the total time is 1 hour. We can also let d = the distance from home to school.

d/5 + d/20 = 1

4d/20 + d/20 = 1

5d/20 = 1

5d = 20

d = 4