CPM Homework Help : CC1 Problem 3-45

An article in the local paper states that $30\%$ of the students at Oak Grove Middle School earned a place on the Silver Honor Roll. If there are $920$ students at Oak Grove, how many are on the Silver Honor Roll? Use a percent ruler to help you decide. Show all of your work.

Hint:

Below is a percent ruler that will help you answer this question. Remember to check your work!

A percent ruler scaled by 10%. Above the 0% is 0. Above 10% is question mark. Above 30% is question mark. Above 50% is 460, and Above 100% is 920.

If $920$ is $100\%$ , then $92$ is $10\%$ .