alyssabond3788 alyssabond3788
  • 14-05-2017
  • Mathematics
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The rain caused the river to rise a total of 6 2/3 inches. The river was rising at an average of 2/3 of an dinch each hour. How many hours didi it rain?

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tonb
tonb tonb
  • 14-05-2017
6 2/3 divided by 2/3 is 20/3 * 3/2 = 60/6 = 10 hours

I used the trick that dividing two fractions is the same as multiplying by the inverse. (ie., divide by 2/3 is like multiplying with 3/2)
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TheVariableWhoLived
TheVariableWhoLived TheVariableWhoLived
  • 14-05-2017
the answer is 6, I think
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