John left home and drove at the rate of 45 mph for 2 hours. He stopped for lunch then drove for another 3 hours at the rate of 55 mph to reach his destination. How many miles did John drive?
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Expert Answers
calendarEducator since 2010
write12,554 answers
starTop subjects are Math, Science, and Business
John left home and drove at the rate of 45 mph for 2 hours.
The distance driven by him in these 2 hours is 45*2 = 90 miles.
After lunch he drove for another 3 hours at 55 mph.
The distance driven by him in these 3 hours is 55*3 = 165 miles.
The total distance he drove to reach his destination is 90 + 165 = 255 miles.
The total distance that John drove is 255 miles.
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calendarEducator since 2008
write3,662 answers
starTop subjects are Math, Science, and Social Sciences
We will calculate the total distance that John traveled.
First he drove 45 mph for 2 hours.
Then we will calcilate D1.
==> D1 = S*T = 45*2 = 90 miles.
Next, he drove at 55 mph for 3 hours.
==> D2 = S*T = 55*3 = 165 miles.
==> Then, the total distance he traveled is :
D = D1 + D2 = 90 + 165 = 255 miles.
Then, John drove a total of 255 miles.