Price after off =80- 1/4 * 80 = 80-20 = $60
Coupon discount = 60*10/100 = $6
So, he have to pay, 60-6 = $54
Equivalent systems = same line = infinite solutions
Answer:
-3/4
Step-by-step explanation:
slope is change in y over change in x
line goes down three units (change of -3) and right 4 units (4)
-3/4
20/10 is same as 20:10 so the whole number is 2
The answer to the expression is -24x+28x