Examples of Math Problems: If a car traveled for 3 hours at r mph and increased the speed by 10 mph and traveled for 1 more hour hour, how far did the car travel?

Monday, June 10, 2013

If a car traveled for 3 hours at r mph and increased the speed by 10 mph and traveled for 1 more hour hour, how far did the car travel?

3 hours at r mph:
+d%5B1%5D=%28r%29%283%29

+d%5B1%5D=%28r%29%283%29

increased the speed by 10 mph and traveled for 1 more hour hour:
d%5B2%5D=%28r%2B10%29%281%29

d%5B2%5D=%28r%2B10%29%281%29

total:

%0D%0Ad=d%5B1%5D%2Bd%5B2%5D=3r%2Br%2B10=4r%2B10%0D%0A

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