213k views
4 votes
A book normally costs $21.50. Today it was on sale for $15.05. What percentage discount was offered during the sale?

2 Answers

3 votes

Answer:

30%

Explanation:

21.50-15.05=6.45

6.45/21.50=.3

.3=30%

original-new= ____

____/original = decimal

decimal=fraction

User Munsterberg
by
5.6k points
1 vote

Answer: 30% discounted

Step-by-step explanation: 15.05 / 21.5 = 1

Subtract 15.05 / 21.5 from both sides and add Discount percent to both sides

discount percent=1 - 15.05 / 21.5 = 1 - 0.7 = 0.3 = 30% discounted

User Khanh TO
by
4.7k points