Answer:
54
Step-by-step explanation:
comment if you want a step-by-step
1
f(4)=4-2x+5
4-2(4)+5
4-8+5
the discount is 22.5 * .2 =
round 22.5 to 20
20 *.2
Choice B
Step-by-step explanation: Can you ask your teacher? Or no?