Answer:

Step-by-step explanation:

The answer is 80%
1/5 of 100 is 20.
You find this by dividing 100 by 5 to get 20, then you subtract 20 from 100.
I dont really know how to explain it so i just solved it (the answer is boxed) but i hope this helps !
He makes $12 a week because three can go into it 3 * so you just 3x4
(-2,-3)
Mirror the point across the x-axis. If it is at (-2,3) then the reflection would be (-2, -3)