300 Appendix A
3.
The f lorist should use 12 white roses and 8
red roses.
4.There are 21 tigers.
5.There are 162 white balloons.
6.7.
8.
9.
23 20
520
4
28 312xx
x
x
xx
474 45
15 45
3
412 721 412xx x
x
x
xx x 21 20 9 900
50 900
18
21 378 20 360 9 162xxx
x
x
xxx2
515
530
6
xx
x3
7243 168
56
x x x x x x6315
27
27 63 15
63 15
27357 5
3
351
68
51 3 68
368
514417x
xx
19. 159.41006 – 143.0025 = 16.40756
20. 1.00027 + 0.4587332 = 1.4590032
- 4.92 v 1.5 = 7.380 (or just 7.38)
- 68.413 v 0.15 = 10.26195
- 95.94 z 7.8 = 12.3
- 461.44 z 1.12 = 412
- 5,066.518 z 8.6 = 589.13
26.^4
25
16
100016.27.^7
9
0 777 0 7. ....28. 0 185^185
1 00037
200
.
,
29. 0 123^123
99941
333.
30.^59
87 375.Chapter 7
1.
There are 12 boys in Math Club.
There were 5 hybrids sold.
53 32
832
4
520 312xx
x
x
xx
71 40
840
5
735 15xx
x
x
xx