p.310 #1-17 Extra Credit for Quiz 6.1-6.4
1. a. 1/3
b. 3/8
c. 5/3
2. 30 mi/h
#3-14: Use the cross-product
property.
3. w = 6
4. x = 7
5. y = 39
6. z = 61.25
7. a = 40
8. b = 10
9. c = 7
10. d = 45
11. no
12. no
13. yes
14. yes
15. no
16. 20/11.25 = 16/x
17. 6/4.5 = 2.4/x
20x = 180
6x = 10.8
x = 9m
x = 1.8