crazygirl7173 crazygirl7173
  • 03-02-2016
  • Mathematics
contestada

55% of what number is 77?

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nobrains
nobrains nobrains
  • 03-02-2016
Set up an equation
Let the number be x.
55% of x = 77
"of" means multiply, so
55% * x = 77
55% is the same as 0.55 (% means divide by 100).
0.55x = 77
x = 140
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