We go from 10x+20 = 50 to 10x = 30 after we subtract 20 from both sides. So we use the subtraction property (of equality).
Answer: Choice D
Answer: I'm willing to help you but, I don't get what your trying to ask.
Answer:
0.013
0.021
Step-by-step explanation:
I guess...
You have sold 72, and your friend has sold 74. Meaning your friend has sold 2 more magazine subscriptions than you.
14 boxes per hour
60/5=12
12*3=36
60/6=10
10*5=50
50-36=14
