Section PC.1 Solutions to the Practice Problems

1.

a. [latex]\frac{1}{6}[/latex]

b. [latex]\frac{1}{2}[/latex]

c. [latex]\frac{2}{3}[/latex]

2. 0

3. [latex]\frac{1}{3}[/latex]

4. [latex]\frac{11}{12}[/latex]

5.

a. [latex]\frac{6}{13}[/latex]

b. [latex]\frac{2}{13}[/latex]

6. [latex]\frac{2}{37}[/latex]

7.

a. [latex]\frac{21}{26}[/latex]

b. [latex]\frac{5}{26}[/latex]

8. [latex]\frac{30}{67}[/latex]

9. [latex]\frac{41}{81}[/latex]

10. [latex]\frac{1}{13}[/latex]

11. [latex]\frac{1}{4}[/latex]

12. [latex]\frac{1}{13}[/latex]

13. [latex]\frac{3}{13}[/latex]

14. [latex]\frac{4}{13}[/latex]

15.

a. [latex]\frac{3}{8}[/latex]

b. [latex]\frac{3}{8}[/latex]

c. [latex]\frac{3}{8}[/latex]

d. [latex]\frac{7}{8}[/latex]

e. [latex]\frac{1}{2}[/latex]

f. [latex]\frac{1}{4}[/latex]

g. 1

h. 0

17.

a. [latex]\frac{7}{20}[/latex]

b. [latex]\frac{1}{10}[/latex]

c. [latex]\frac{1}{4}[/latex]

d. [latex]\frac{3}{10}[/latex]

18.

a. [latex]\frac{1}{4}[/latex]

b. [latex]\frac{1}{4}[/latex]

c. [latex]\frac{1}{6}[/latex]

d. [latex]\frac{5}{36}[/latex]

e. [latex]\frac{11}{12}[/latex]

f. [latex]\frac{1}{36}[/latex]

19.

a. 0.19
b. 0.31
c. 0.52
d. 0.36

20.

a. [latex]\frac{11}{50}[/latex]

b. [latex]\frac{9}{25}[/latex]

21.

a. [latex]\frac{9}{19}[/latex]

b. 0.474

c. 47.4%

22. 62.5%

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College Mathematics - MAT14X - 3rd Edition Copyright © by Adam Avilez; Shelley Ceinaturaga; and Terri D. Levine is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License, except where otherwise noted.

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