## Mixing Paint

## Work Time

# Mixing Paint

Carlos mixed some green paint by using 4 cups of blue paint and 3 cups of yellow paint. He used all of the green paint and wants to make some more. How many cups of blue paint should he mix with 5 cups of yellow paint to get the same color green?

- Choose a variable to represent what you want to find out.
- Write an equation that you can use to solve the problem.
- Solve the equation.
- Think about your answer. Does it make sense? Explain.

## Hint:

- What proportion represents the problem?
- Where will you put the 5 in the proportion?
- What will you multiply or divide by to make the equation easier to work with?