Homework Thursday, 3/14

Pre-Algebra: Do 20 problems from the worksheet you got in class.  Answers below.
It's entirely possible there's a mistake in here, so please email me if you think you've found one.
Also email me if you have any questions.
Test tomorrow.

Algebra: Pg. 635 #3, 6, 9, 12

Answers
1) w = 42
2) x = 2.7
3) y = 10.24
4) z = 11.407407407...(all reapeat)
5) u = 4.571428...(all repeat)
6) v = 6 or -6
7) $0.27 / oz
8) 2.5 minutes / problem
9) 0.9 miles / minute
10) 1.16666... houses / acre
11) 100 minutes / page
12) 27 ft / second
13) 26 km
14) 8.24 km
15) 3.875 cm
16) 17.5 cm
17) 1 : 400,000
18) 25 yd
19) 18.125 yd
20) 0.8 in
21) 5.45 in
22) 1 : 90
23) WZ = 3.5
24) CD = 30
25) XY = 4.33333...
26) 6 : 1
27) 1/2
28) 3/10
29) 1/5
30) 3/20
31) 1/24
32) Either 1/12 or 1/6, depending on how you interpreted the problem.
33) 1/4
34) 5/8
35) 17,576
36) 2,704
37) 5,200
38) 3,844
39) 30,240 (I have corrected my mistake, the answer is not 120)
40) 3,628,800