Grade 7 | Unit 2 | Lesson 6: Using Equations to Solve Problems | Practice Problems

Elena has some bottles of water that each holds 17 fluid ounces. How much water is in 51 bottles?

Elena has some bottles of water that each holds 17 fluid ounces. How many bottles does it take to hold 51 fluid ounces of water?

In Canadian coins, 16 quarters is equal in value to 2 toonies. Complete the table. What does the value next to 1 mean in this situation?

Number of quarters	Number of toonies
1
16	2
20
24

Each table represents a proportional relationship. For each table: Fill in the missing parts of the table. Draw a circle around the constant of proportionality.

x	y
	10
15
7
1

Describe some things you could notice in two polygons that would help you decide that they were not scaled copies.