### Home > CCAA8 > Chapter 7 Unit 8 > Lesson CCA: 7.1.1 > Problem7-13

7-13.

Write and solve an equation for the problem below.

If $150$ empty water bottles weigh $4.5$ pounds, what would you expect $90$ empty water bottles to weigh?

Set up a proportion showing the relationship between the number of water bottles and the weight of the water bottles.