Practice Problem Answers Units 14-24 from Test-Prep Mathematics our free online textbook
 
Unit

Answers Units 14 to 24

Other Answers         Units 1-13           Units 25-37            Units 39-49

14

1) tenths 2) hundredths 3) thousandths 4) ten thousandths 5) hundred thousandths 6) millionths  7) five-tenths 8) fifty-three hundredths 9) five hundred thirty-eight thousandths 10) four hundredths 11) six hundred eight ten thousandths 12) two and twenty-five hundredths 13) 3.49 14) .9 15) .85 16) .0088 17) .006 18) B 19) C 20) D 21) A 22) E
15 1) .9 2) .45 3) .388 4) 5 5) .1 6) 10 7) .68 8) .58 9) .84 10) 4/10 = 2/5 11) 3/1  12) 5/100 = 1/20 13) 75/100 = 3/4 14) 7/1,000 15) 325/100 = 13/4
16 1) 4.6 2) 60.935 3) 431.884 4) $148.80 5) .9 6) 29.38 7) .48 8) 561.971 9) $50.87 10) 3.06 

11) 3.6 12) .01896 13) 128.464 14) $7.77

17 1) .8 2) 4.4 3) 2.42 4) .005 5) 500 6) .625 7) 1.6 8) 9) 4.6 pounds 10) 2.75 hours
18 1) Remember to reduce. 4/3, 4:3, 4 to 3 2) 96/32 = 3/1 3) 300 miles/12 gallons = 25 miles/ gallon  

4A) 75/50 = 3/2 4B) 100/75 = 4/3 4C) 350/50 = 7/1

19 1) 24 = 24, yes 2) 12 = 12, yes 3) 40 55, no 4) 68 < 77 and 11/17 is larger  

5) 63 < 64 and 8/9 is larger 6) 24<25 and 5/8 is larger 7) < 8) > 9)

10) 40,= 40, yes 11) 125 <162 and 18/25 is larger

20

1) x = 20 2) x = 10 3) x = 10 4) x = 10 girls 5) x = 130 km 6) x = 30 grams of fat
21 1) 65% 2) 62.5% 3) 375% 4) 80% 5) 6) 200% 7) 75% 8) 62.5% 9) 120% 10) 335.5%

22

1) 9/10 2) 139/2 3) 120/100 = 6/5 4) 444/1,000 = 111/250 5) 2/100 = 1/50 6) 80/100 4/5   7) .90 8) .695 9) 1.20 10) .444 11) .02 12) .80 13A) 0, .0002, 2/101, 2%, .3, 58%, .60, 65% 13B) 1.9, 185%, 13/10, 125/100, 120%, .77, 3/4, .7   14) .20 and 20%, 40/100 = 2/5 and 40%, and .50, .75 and 75%, 98/100 = 49/50 and 98%, 1/1 and1.0, 14/10 = 7/5 and 140%, 2.0 and 200%

23

1) 28 2) 20% 3) 16 4) 300% 5) 10 6) 5.25 7) $5,600 8) 85% 9) $354.55 10) $90

24

1) 20% 2) 40% 3) 36 4) 15 5) 20% 6) $3.75 7) 20% 8) 35 pins

Answers Page 1-13                Answers Page 25-37            Answers Page 39-49

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