Question 418533
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Hi
Heather runs 7 miles in 80 minutes. 
At the same rate, how many miles would she run in 64 minutes?
Let x represent miles would she run in 64 minutes?
Question Sets Up the Proportion
 {{{ 7/80 = x/64 }}}     |Cross Multiplying to solve for x
      x = 7*64/80
      x = 5.6mi

CHECKING our Answer***
  5.6/64 = .0875 = 7/80