Answered

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Khawla drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 10 hours. When Khawla drove home, there was no traffic and the trip only took 7 hours. If her average rate was 18 kilometers per hour faster on the trip home, how far away does Khawla live from the mountains?
Do not do any rounding.

Sagot :

Answer:

Step-by-step explanation:

v

v+18

v*10=(v+18)*7

v=42

42*10=420 (mi) <== answer

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