SOLUTION: Yessica leaves her house on her bicycle to locate a geocache at the same time Zoe leaves her house heading for the same cache. Zoe lives further away than Yessica so she takes her

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Question 1068059: Yessica leaves her house on her bicycle to locate a geocache at the same time Zoe leaves her house heading for the same cache. Zoe lives further away than Yessica so she takes her car and travels 36 mph faster than Yessica. Their combined distance traveled is 26 miles. If both women arrive at the geocache site after 30 ​minutes, find their average speeds
Answer by josgarithmetic(39621) About Me  (Show Source):
You can put this solution on YOUR website!
               SPEED       TIME       DISTANCE

Yessica         r+36       1%2F2         %28r%2B36%29%2F2

Zoe             r          1%2F2         r%2F2

Total                                  26


Solve for r, Yessica's average speed using %28r%2B36%29%2F2%2Br%2F2=26.