Please help! Kylie is 231 miles away from Anna. They are traveling towards each other. If Anna travels 9 mph faster than Kylie a
nd they meet after 7 hours, how fast was each traveling?
1 answer:
A will represent Anna. k will represent Kylie.
7a+7k=231
a=9+k
Substitute for a
7(9+k)+7k=231
63+7k+7k=231
14k=168
k=12
Then plug in the k value
a=9+12
a=21
Final answer: Anna=21 mph, Kylie= 12 mph
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