4 years ago

84 is 75% of what number?

Mathematics

2 answers:

Anna007 [38]4 years ago

7 0

112
x * 75/100=84
75x/100=84 
75x=8400 
x=112

amid [387]4 years ago

4 0

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

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