Answer:
$69.50
Step-by-step explanation:
.60 + .60 + .60 + .60 + .60 = 3
72.50 - 3 = $69.50
6.99
11.99+2.99+5.99=20.97
20.97/3=6.99
150
150+30=180 (180= straight line)
slope is -4 y-axis is 9