3-2 Solve It!
You can draw
graphs of income
from each store,
but the dollar
amounts might
be difficult to
read.
What whole-dollar amount of one-day
sales would make it more worthwhile
to work at Store B? Justify your
reasoning.
3-2 Lesson Quiz
1. Solve e
x 2 2y 5 0
4x 2 3y 5 15
2. Do you UNDERSTAND? You and your friend are saving for
a vacation. You start with the same amount and save for the
same number of weeks. You save $75 per week, and your
friend saves $50 per week. When the vacation time comes,
you have $950 and your friend has $800. How much did you
start with, and for how many weeks did you save?
3. Solve e
23x 1 7y 5 215
3x 2 7y 5 20
4. Solve e
2x 2 3y 5 21
3x 1 4y 5 24
5. Solve e
2x 1 2y 5 4
x1y52
Answers
Solve It!
Lesson Quiz
Per-day sales of $313 or
greater; store A: 35 1 0.1s
store B: 10 1 0.18s
35 1 0.1s , 10 1 0.18s
s . 312.5
1. (6, 3)
2. $500, 6 weeks
3. no solution
4. (4, 3)
5. infinitely many solutions
Prentice Hall Algebra 2 • Solve It/Lesson Quiz on Transparencies
Copyright © by Pearson Education, Inc., or its affiliates. All Rights Reserved.
16