Skills Practice Workbook - Glencoe

9–1
NAME DATE PERIOD
Skills Practice
Using Ratios and Proportions
Write each ratio in simplest form.
1.
15
�
20
3
�
4
2.
7
�
49
1
�
7
3.
28 4
11 1
4. � � 5. � � 6.
35 5
22 2
3 1
18 2
7. � � 8. � � 9.
15 5
81 9
55 5
12 6
10. � � 11. � � or 6 12.
33 3
2 1
3
13. 15 feet to 25 feet � 14. 48 centimeters to 15 centimeters
5
3
15. 45 meters to 60 meters � 16. 14 inches to 24 inches
4
1
17. 12 inches to 3 feet � 18. 80 centimeters to 2 meters
3
2
19. 4 feet to 10 yards � 20. 8 quarts to 5 gallons
15
Solve each proportion.
3 6
24 x
7 14
21. � � � 16 22. � � � 4 23. � � � 24
8 x
18 3
12 x
8 x
4 x
32 16
24. � � � 6 25. � � � 6 26. � � � 3
28 21
8 12
6 x
9 x
5 35
22 x
27. � � � 36 28. � � � 10 29. � � � 33
5 20
x 70
18 27
2 14
8 56
x 6
30. � � � 3 31. � � � 1 32. � � � 1
x 21
x 7
5 30
© Glencoe/McGraw-Hill 47 Geometry: Concepts and Applications
10
� 15
20
� 25
36
� 27
40
� 25
2
� 5
2
� 3
4
� 5
4
� 3
8
� 5
7
� 12
2
� 5
16
� 5