Answer:
answer is 1000 9000 and 1!
Step-by-step explanation:
how it helped
You have to multiply by how many months or boxes and your gonna have 360 and your friend 288
20x2 = 40 in width
180-40= 140
140/2=70
70 inches
He made $64.80 commission I think. 9% of $720 is $64.80
If x represents the mass of 1 ball in kg, then the balance shows ...
... 6x = x + 9 kg
... 5x = 9 kg
Then 6x is ...
... (6/5)·5x = (6/5)·9 kg = 10.8 kg
0.8 kg = 0.8·1000 g = 800 g
so 10.8 kg is ...
... D. 10 kg 800 g