Worked-out Problems
Worked-out Problems
Worked-out Problems
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Chapter 3 continued<br />
16. m 8 < 26<br />
m 8 8 < 26 8<br />
m < 34<br />
a<br />
17. 3 > <br />
9<br />
a<br />
9 p 3 < 9 p <br />
9<br />
27 < a, ora > 27<br />
31 30 29 28 27 26 25<br />
18. b 7 ≥ 13<br />
7 p b 7 ≥ 7 p 13<br />
b ≥ 91<br />
19. 12c ≤ 96<br />
30 31 32 33 34 35 36<br />
89 90 91 92 93 94 95<br />
1 2<br />
1<br />
c<br />
2<br />
≤ 9 6<br />
1 <br />
2<br />
c ≤ 8<br />
20. 68 < 17d<br />
68<br />
> 17d<br />
<br />
17<br />
17<br />
4 > d, ord < 4<br />
r<br />
21. 2 > <br />
6<br />
r<br />
6(2) < 6 p <br />
6<br />
12 < r, orr > 12<br />
22. 196 ≤ 14z<br />
1 96<br />
≤ 1 4z<br />
<br />
14<br />
14<br />
14 ≤ z, orz ≥ 14<br />
11 12<br />
23. 7h < 56<br />
0 2 4 6 8 10 12<br />
0 1 2 3 4 5 6<br />
0 4 8 12 16 20 24<br />
7 h<br />
< 56 <br />
7 7<br />
h < 8<br />
12 10<br />
13 14 15 16 17<br />
8<br />
6<br />
4<br />
2<br />
0<br />
24. p 5 > 6<br />
5 p p 5 > 5(6)<br />
p > 30<br />
60 50 40 30 20 10<br />
25. 8m 6 < 10<br />
8m 6 6 < 10 6<br />
8m < 16<br />
8m<br />
16<br />
> <br />
8<br />
8<br />
m > 2<br />
4 3 2 1<br />
26. 8p 1 ≥ 17<br />
8p 1 1 ≥ 17 1<br />
8p ≥ 16<br />
8 p<br />
≥ 1 6<br />
<br />
8 8<br />
1<br />
p ≥ 2<br />
27. 24 ≥ 5z 6<br />
24 6 ≥ 5z 6 6<br />
30 ≥ 5z<br />
3 0<br />
≥ 5 z<br />
<br />
5 5<br />
2<br />
6 ≥ z, orz ≤ 6<br />
28. 8 > 2 b 3 <br />
8 2 > 2 b 3 2<br />
6 > b 3 <br />
3 p 6 > 3 p b 3 <br />
18 > b, orb < 18<br />
6<br />
p<br />
29. 3 ≤ 9 2 8<br />
0 1 2 3 4 5<br />
0 2 4 6 8 10<br />
0 6 12 18 24 30<br />
p<br />
3 3 ≤ 9 3<br />
2 8<br />
p<br />
≤ 6 2 8<br />
p<br />
28 p ≤ 28 p 6 2 8<br />
p ≤ 168<br />
0<br />
0 1 2<br />
Copyright © McDougal Littell/Houghton Mifflin Company<br />
All rights reserved.<br />
164 165 166 167 168 169 170<br />
Chapter 3<br />
Pre-Algebra 105<br />
<strong>Worked</strong>-Out Solution Key
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