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Nancy rowed across the lake with her friend Kelly at a rate of 5 mph. Kelly then rowed back at a rate of 4 mph. If the lake is 6 miles across, how long did it take them to compl…

Nancy rowed across the lake with her friend Kelly at a rate of 5 mph. Kelly then rowed back at a rate of 4 mph. If the lake is 6 miles across, how long did it take them to compl…
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Nancy rowed across the lake with her friend Kelly at a rate of 5 mph. Kelly then rowed back at a rate of 4 mph. If the lake is 6 miles across, how long did it take them to complete their trip?

asked
User Robert Wilkinson
by
8.6k points

1 Answer

3 votes
it would be 1.2 hours or 72 minutes to go forward 5 mph
and it would 1.5 hours or 90 minutes to go backward 4 mph
so it would take 2.7 hours
hope this helps :)
answered
User Muhammad Rasel
by
9.0k points
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