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Oliga [24]
3 years ago
10

Greta is taking a road trip from Cincinnati to San Francisco. On the first day, she drove 650 miles in 10 hours. On the second d

ay, she got a later start and drove 540 miles in 8 hours. How many miles per hour faster was her average speed the second day?
Mathematics
1 answer:
Travka [436]3 years ago
7 0

Answer:

<h2>2.5 miles per hour faster</h2>

Step-by-step explanation:

Step one:

the first day

distance= 650miles

time taken= 10 hours

speed= distance/time

speed= 650/10

speed= 65miles per hour

Step two:

the second day

distance= 540mile

time taken= 8 hours

speed= distance/time

speed= 540/8

speed= 67.5miles per hour

Step three:

the difference between the two speeds is =67.5-65= 2.5

therefore on the second day, the speed is 2.5 miles per hour faster

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