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Essie7 Essie7
  • 12-11-2015
  • Mathematics
Answered

a strip of paper is 9/10 of an inch long. you need to cut the paper into 3/12 inch pieces. how many pieces will you be able to cut?

Verified Answer :

WorldCitizen WorldCitizen
  • 14-11-2015

we have to divide 9/10 by 3/12.

if we divide by a fraction, we can instead multiply by it's inverse:

\(\frac{9}{12}/ \frac{3}{12} = \frac{9}{12} * \frac{12}{3}\)

so now we count:

\(\frac{9}{12} * \frac{12}{3} =\frac{9}{1} * \frac{1}{3}=3\)

so we can cut exactly 3 pieces!



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