Answer:
$40
Step-by-step explanation:
200 - 20% = 160
200 - 160 = 40
6,000 ft
3,000 x 2 = 6,000
4 for each cupcake.
x=10,y=5,z=2
x+15=2x+5
x=10
4y=8y-20
4y=20
y=5
10z-5=3z+9
7z=14
z=2