2-7 Solve It!
You’ve used ratios
to compare. This
problem involves
equal ratios.
You are making beaded necklaces, using a pattern in which 2 large red
beads are followed by 3 small blue beads. Each set of 5 beads adds
1
1 4 in. to the length of the necklace. How many of each color bead will
you need for a 20-in. necklace? Explain your answer.
2-7 Lesson Quiz
x
2
1. What is the solution of the proportion 3 5 14 ?
3
13
2. What is the solution of the proportion 5 5 x ?
x21
x24
3. What is the solution of the proportion 2 5 5 ?
4. Do you UNDERSTAND? A concession stand at a baseball
game sells 3 apples for $2.00. How can you find the cost for
10 apples?
Answers
Solve It!
Lesson Quiz
0124_hsm11a1se_0207.indd 124
32 red beads; 48 blue beads;
explanations may vary.
1/27/09 10:33:58 AM
1. 91
3
2. 212
3
3. 21
4. Answers may vary. Sample:
Solve the proportion
3
10
5 x.
2.00
Prentice Hall Algebra 1 • Solve It/Lesson Quiz on Transparencies
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