CPM Homework Banner

Home > A2C > Chapter 8 > Lesson 8.1.2 > Problem 8-33


Mary has an antique marble collection containing marbles.  She has five more red marbles than blue and twice as many red as green marbles.  Write a system of equations to find the number of each color of marble.  

Let the number of blue marbles, the number of red marbles,
and the number of green marbles.

Solve the system of equations using a combination of substitution and elimination.