CPM Homework Help : CC3MN Problem 9-119

Brian is in charge of decorating for an upcoming dance. He purchases $45$ large rolls of streamers. The blue streamers are $$5.00$ per roll and the green streamers are $$3.00$ per roll. He spent a total of $$175$ . How many of each roll did he buy?

Hint:

Set up a system of equation, where we let $b =$ # blue streamers and $g =$ # green streamers.

More help:

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

Answer:

$20$ rolls of blue streamers and $25$ rolls of green streamers