25% of a number is 15 less than 3 / 4 of 120?

25% of a number is 15 less than 3 / 4 of 120?


Let this number be X
x×25%+15=120×3/4
0.25x=90-15
0.25x=75
x=300
A: the number is 300



Subtract 1 / 2 of a number from 120 to get 40. Find the number


Let this number be X
120-1/2x=40
1/2x=80
x=160
A: the number is 160
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