### Home > CCA > Chapter 6 > Lesson 6.1.2 > Problem 6-19

6-19.

Lisa is weighing combinations of children’s blocks. Four blue blocks and five red blocks weigh

Write two equations using the variable for the weight of the blue blocks in ounces and the variable

*for the weight of the red blocks in ounces.*

Solve the system of equations. Don't forget to answer the original question.