Question

In the 7 the grade, 150 students are attending the dance.if this is 62.5 percent of the entire grade,how many 7th graders are there?

Answer 1

`240` `7^(th)` graders.

Explanation:

Let `x` be the total number of `7^(th)` graders,

`150rArr62.5%`

`xrArr=100%`

Find `x`,

`x=(100%)/(62.5%)xx150`
`color(white)(x)=240`