SOLUTION: On average, Sherry can travel four times as fast on cross-country skis as she can with snowshoes. To travel 24 km, she needs 6 h more if she is snowshoeing than if she is skiing. W

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: On average, Sherry can travel four times as fast on cross-country skis as she can with snowshoes. To travel 24 km, she needs 6 h more if she is snowshoeing than if she is skiing. W      Log On

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Question 1076900: On average, Sherry can travel four times as fast on cross-country skis as she can with snowshoes. To travel 24 km, she needs 6 h more if she is snowshoeing than if she is skiing. What is her average speed on crosscountry skis?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
Let n be Sherry's rate on snowshoes. Then her rate on skis is 4n. So:
24/n - 6=24/4n
96-24n=24
n=3
Sherry can travel 3km/h on snowshoes; and 12 km/h on skis. ☺☺☺☺