Answer:
it is the first one
Step-by-step explanation:
One twentieth is 5%, so the total cost is
f(c) = 1.05 c
The domain is [80, 180]
For Albert to afford the shoes



That's the maximum so he can afford shoes with preshipping prices in the domain
[80, 140]
Answer: -40
Multiply 2 by 4.
8+4•3-30•2
Multiply 4 by 3
8+12-30•2
Multiply-30 by 2
8+12-60
Simplify by adding and subtracting:
Add 8 and 12
20-60
Subtract 60 from 20
-40
Answer: D
1/2x-1+4=x
1/2x-x=-3
-1/2x=-3
x=6
Answer:
1, 48, 2, 24, 4, 12, 6, 8, 3, 16