JBinns JBinns
  • 28-01-2015
  • Mathematics
contestada

84 is 75% of what number?

Respuesta :

kamil
kamil kamil
  • 28-01-2015
100% = 1
75% = 0.75 = 3/4

3/4x = 84     | *4
3x = 336      |  /3
x = 112 

Or you can do like this:
3/4x = 84     |    /3

1/4x = 28

3/4x + 1/4x = 84 + 24
4/4x = 112
x = 112 


Answer Link
harricat001
harricat001 harricat001
  • 28-01-2015
112
x * 75/100=84 
75x/100=84 
75x=8400 
x=112
Answer Link

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