Question

My son needs help on finding percents. example. what is 53% of 80?

Answer 1

According to the information given in the exercise, you know that the 100% is 80.

Let be "x" the number that is the 53% of 80.

By definition, you can write 53% as a Decimal number by dividing it by 100. Then, this is:

`(53)/(100)=0.53`

You can write 100% as a Decimal number:

`(100)/(100)=1`

Knowing the above, you can set up the following proportion:

`(80)/(1)=(x)/(0.53)`

Now you must solve for "x":

`\begin{gathered} (0.53)(80)=x \\ x=42.4 \end{gathered}`

The answer is:

`42.4`