Question

1. Find 75% of 802. What percent of 75 is 153. 22 is 40% of what number

Answer 1

We are asked to determine which number has a 40% equal to 22. Let's remember that when we want to obtain the x% of a number "n" we use the following relationship:

`n*(x)/(100)`

Now, we are given that this percentage must be equal to 22 and that the percentage is 40, therefore, we can substitute the following:

`n*(40)/(100)=22`

Now we need to solve for "n". To do that we will multiply both sides by 100:

`n*40=22*100`

Now, we divide both sides by 40:

`n=(22*100)/(40)`

Solving the operations:

`n=55`

Therefore, the 40% of 55 is 22. The number we are looking for is 55.