Chapter 6

Exercise 6.1

    1. [latex] 0.75 [/latex], [latex] \displaystyle{\frac{3}{4}} [/latex]


    2. [latex] 30\% [/latex], [latex] \displaystyle{\frac{3}{10}} [/latex]


    3. [latex] 25\% [/latex], [latex] 0.25 [/latex]


    1. [latex] 0.05 [/latex], [latex] \displaystyle{\frac{1}{20}} [/latex]


    2. [latex] 20\% [/latex], [latex] \displaystyle{\frac{1}{5}} [/latex]


    3. [latex] 60\% [/latex], [latex] 0.60 [/latex]


    1. [latex] 1.5 [/latex], [latex] \displaystyle{1\frac{1}{2}} [/latex]


    2. [latex] 17.5\% [/latex], [latex] \displaystyle{\frac{7}{40}} [/latex]


    3. [latex] 48\% [/latex], [latex] 0.48 [/latex]


    1. [latex] 0.125 [/latex], [latex] \displaystyle{\frac{1}{8}} [/latex]


    2. [latex] 5\% [/latex], [latex] \displaystyle{\frac{1}{20}} [/latex]


    3. [latex] 450\% [/latex], [latex] 4.5 [/latex]


    1. [latex] 0.006 [/latex], [latex] \displaystyle{\frac{3}{500}} [/latex]


    2. [latex] 0.5\% [/latex], [latex] \displaystyle{\frac{1}{200}} [/latex]


    3. [latex] 460\% [/latex], [latex] 4.6 [/latex]


    1. [latex] 0.0005 [/latex], [latex] \displaystyle{\frac{1}{2,000}} [/latex]


    2. [latex] 0.25\% [/latex], [latex] \displaystyle{\frac{1}{400}} [/latex]


    3. [latex] 112.5\% [/latex], [latex] 1.125 [/latex]


    1. [latex] 0.0005 [/latex], [latex] \displaystyle{\frac{1}{2,000}} [/latex]


    2. [latex] 108\% [/latex], [latex] \displaystyle{1\frac{2}{25}} [/latex]


    3. [latex] 5.\overline{45}\% [/latex], [latex] 0.0\overline{54} [/latex]


    1. [latex] 0.0175 [/latex], [latex] \displaystyle{\frac{7}{400}} [/latex]


    2. [latex] 202.5\% [/latex], [latex] \displaystyle{2\frac{1}{40}} [/latex]


    3. [latex] 0.25\% [/latex], [latex] 0.0025 [/latex]


    1. [latex] 0.065 [/latex], [latex] \displaystyle{\frac{13}{200}} [/latex]


    2. [latex] 250\% [/latex], [latex] \displaystyle{2\frac{1}{2}} [/latex]


    3. [latex] 16\% [/latex], [latex] 0.16 [/latex]


    1. 70


    2. 100


    1. 0.19


    2. 0.5 km


    1. 52


    2. $53.33


  1. 2

  1. $16.50

  1. $0.27

  1. 7.5

  1. 40%

  1. 400%

  1. 45.45%

  1. 28%

  1. 800

  1. $186

  1. 130

  1. $2,200

  1. $32.50

  1. $25,000

  1. 74%

  1. $700,000

  1. $315,723.08

  1. 13%

  1. $89,400

Review Exercises 6

    1. [latex] 0.80 [/latex], [latex] \displaystyle{\frac{4}{5}} [/latex]


    2. [latex] 25\% [/latex], [latex] \displaystyle{\frac{1}{4}} [/latex]


    3. [latex] 150\% [/latex], [latex] 1.50 [/latex]


    4. [latex] 0.06\overline{3} [/latex], [latex] \displaystyle{\frac{19}{300}} [/latex]


    5. [latex] 4.8\% [/latex], [latex] \displaystyle{\frac{6}{125}} [/latex]


    6. [latex] 8\% [/latex], [latex] 0.08 [/latex]


    1. 36


    2. 20%


    3. $0.23


  1. $460,000


  1. 75%


  1. $1,153,153.15


    1. 42,875


    2. 38,500,000


    1. 306


    2. $9


    3. $11,250


    4. 680 kg


    1. $530


    2. $7.38


    3. 75%


    4. 25%


  1. $49


  1. 20%


  1. 12.5%


  1. $250,000


  1. $41,643.84


  1. $180,200


  1. 13.04%


    1. 33.33%


    2. 22.54%


  1. 5.8%


  1. $225


  1. $3,125


  1. 5.5%


  1. Annual: $45,500; Monthly: $3,791.67


  1. Hourly rate$22.5; Overtime rate: $45


  1. Annual: $28,275; Semi-monthly: $1,178.13


  1. Annual: $53,913.6; Bi-weekly: $2,073.6


  1. $36,000


Self-Test Exercises 6

    1. [latex] 0.106 [/latex], [latex] \displaystyle{\frac{53}{500}} [/latex]


    2. [latex] 225\% [/latex], [latex] \displaystyle{2\frac{1}{4}} [/latex]


    3. [latex] 0.25\% [/latex], [latex] 0.0025 [/latex]


    4. [latex] 0.005 [/latex], [latex] \displaystyle{\frac{1}{200}} [/latex]


    5. [latex] 0.2\% [/latex], [latex] \displaystyle{\frac{1}{500}} [/latex]


    6. [latex] 26.5\% [/latex], [latex] 0.265 [/latex]


    1. 12.5%


    2. $337.5


    3. $500


  3. $71,080.81


    1. 60%


    2. 10%


    1. 56.25%


    2. $819.25


    3. $4.73


    4. –25%


    5. $120


    6. $310


  6. 21


  7. $85


  8. –28%


  9. $468,000


    1. $18.2


    2. –9%


    1. –7.67%, –16.61%


    2. –23.01%


  12. 4.8%


  13. $4,500


  14. $45.36


  15. Annual: $42,120; Monthly: $3,510


    1. $1,344


    2. $19.2


  17. $2,535


  18. 7.5%