Answer:
what type of this question
Answer: D
Explanation:
Now a days people use the internet to pre-plan an appointment as its fast and convenient
Your answer would be A: 24
because 20% of 30 is 6 and because he wants to decrease it by 20% (or 6) it would make your answer 24.
20% into a decimal is .20
.20 divided by 30=6