CPM Homework Help : GB8I Problem 7-110

Brian was holding a ballroom dance. He wanted to make sure girls would come, so he charged boys $ $5$ to get in but girls only $ $3$ . The $45$ people who came paid a total of $ $175$ . How many girls came to the dance?

Hint:

Set up a system of equation, where we let $b =$ boys and $g =$ girls.

More help:

Review the Math Notes box in Lesson 6.3.3 on the Elimination Method for systems of equations.

Answer:

$25$ girls came to the dance.