13=10+3 so
13-7=3+10-7=3+3=6
So it takes him 45 minutes to mow 0.6 of an acre
It will take him 85 minutes to mow an acre
Reqires the lines to have the same slope
Answer: Some examples (1,3) (0,6) (2,5)
The answer is 2c - 72.
First complete the brackets.
46+26=72
Then subtract 4c from 2c.
4c-2c=2c