Homework Help: Math

Posted by Nick on Sunday, September 4, 2011 at 3:50pm.

Yolanda walked a distance of 3 miles in 90 minutes. If her speed for the first mile was 6 miles per hour, how many minutes did it take her to walk the rest of the distance.

Math - bobpursley, Sunday, September 4, 2011 at 4:21pm
3 miles in 90 min?

time first mile= 1/6 hr

time last two miles= 1.5-1/6=3/2-1/6=8/6hr

8/6 hr*60min=80 min

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