Add and subtract rational numbers unit test answers
1: -5 or 5
2: I and III
3: Sarah gets 10 dollars for her allowance and then spends 10 dollars at the movies.
4: 81
5: $380
6: Fall 4°
7: 13
8: Drop 200 feet
9: The boys cut exactly half of the yard.
10: First, change the fractions to make denominators common, and then add: 2 1/4+2 2/4+3/4+3 2/4=7 8/4
Next, simplify: 7 8/4 = 9
11: 3/8
12: 1/12
13: -39
14: 53
15: -4.8
16: 105
17: -36
18: 50 °F
19: -13 °F
20: -450
21: 205
22: -48
23: -15
24: -15.55
25: 2
These are the answers for the test their 100% correct I took the test