Homework Help: math

Posted by susie on Wednesday, May 2, 2007 at 8:06pm.

the group covered the first 70 miles in 10 hours. then it doubled its paceto travel 280 miles. how long did it takethe group to travel 350 miles?

70 mi/h and 140mi/h
350-70 = 280
280 miles left, 140 miles every 10 hours
so 20 hours
20hrs + 10hrs = 30 hrs
it took the group 30 hours to travel 350 miles

sorry, not -1, +1

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