1. 3
Solving Application Problems

2. R.1 Fractions
3.4 Solving Application Problems with Two Unknown Quantities
Objectives
Solve application problems with two unknown quantities.

3. Solve application problems with two unknown quantities.

4. Solve application problems with two unknown quantities.
Example
Last month, Sheila worked 72 hours more than Russell. Together they worked a total of 232 hours. Find the number of hours each person worked last month.

5. Solve application problems with two unknown quantities.
(continued)
Example
Step 5
State the answer:
Because h represents Russell’s hours, and h + 72 represents Sheila’s, Sheila worked = 152 hours.
Russell worked 80 hours and
Sheila worked 152 hours.

6. Solve application problems with two unknown quantities.
Example
The length of a rectangle is 2 cm more than the width. The perimeter is 68 cm. Find the length and width.