Answer:
Plz use english language so that we all can understand and solve it..
Step-by-step explanation:
and i am sry bcoz i can't understand your language
Answer:

Step-by-step explanation:

Answer:
$28.91
Step-by-step explanation:
The first step is to calculate the amount of the tip. You multiply the price (24.50) by the tip amount (18% or 0.18). The product is 4.41. Then, you add the tip to the bill. 24.50+4.41=28.91.
A. -3(-1) + 7 = 4
3 + 7 = 4
11 = 4 (wrong)
B. 4x - 8 = 12
4(-1) - 8 = 12
-4 - 8 = 12
-12 = 12 (wrong)
C. -2x + 3 = 1
-2(-1) + 3 = 1
2 + 3 = 1
5 = 1 (wrong)
D. 8x + 5 = -3
8(-1) + 5 = -3
-8 + 5 = -3
-3 = -3 (correct!)
So, in conclusion, D is the correct answer.