Answer
$36
Step-by-step explanation:
You multiply 0.8 by 20 since 0.8 is also 80% and you get 16. Since you want 80% more than 20 you add together to get $36. Hope it helped!
$10 because 2 and 3 add together and subtract 15 equals 10
The equation that passes through these points is x = 4
