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ELEN [110]
3 years ago
9

45 is 30% of what number?

Mathematics
2 answers:
Andreyy893 years ago
8 0
The fraction would be 30/100 = 45/x. Cross multiply to get 30x= 4500. Then divide both sides by 30. To get x = 150. 
The equation to help answer similar questions is percent/100 = is/of or part/whole. 
Nina [5.8K]3 years ago
6 0
450/3 = x.
150 = x.
So x = 150.
This means 45 is 30% of 150
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