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

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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.

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