One third of a number is 30 less than 50% of 120. Find the number

One third of a number is 30 less than 50% of 120. Find the number


x/3=120*50%-30
x=90



2 / 3 of a number is 4 less than 2 / 3 of 30. How much is this number? Use the equation to solve it


Let this number be X
Then 30 × 2 + 1 / 3-4 = 2 / 3x
30×7/3-4=2/3x
70-4=2/3x
66=2/3x
x=99



25% of a number is 30, this number is (), and one third of it is ()?


30 divided by 25% = 120
120 * one third = 40
A: the number is 120, and one third of it is 40