SOLUTION: At 4 PM Alexis leaves school on her bike traveling west. Mitch leaves school at the same time walking east. On her bike Alexis can travel 9 kilometers per hour, (kph), faster tha

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Question 1186125: At 4 PM Alexis leaves school on her bike traveling west. Mitch leaves school at the same time walking east. On her bike Alexis can travel 9 kilometers per hour, (kph), faster than Mitch. If they are 18 km apart after 1.5 hours, how fast is each person traveling?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
They each start at the same time at the same place and then travel in opposite directions. 
               SPEEDS       TIME        DISTANCE

Alexis          r+9          1.5         1.5(r+9)

Mitch            r           1.5         1.5r

TOTAL                                    18

highlight_green%281.5%282r%2B9%29=18%29
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