- 7th Grade Work -
Please help, and answer only if you have an answer for this problem.
2 answers:
Answer:
8.5
Step-by-step explanation:
120 * 0.4 = 48 + 20 = 68
120 * 0.45 = 54 + 22.25 = 76.5
76.5 - 68 = 8.5
You might be interested in
Answer: u mean r=0
Step-by-step explanation:
2a) 30
2 x 15
3 x 5
30=2x3x5
2b) 60
6 x 10
2x3 2x5
60=2x3x2x5

Collecting like terms,

Since the signs change when its position changes.
