The price of a book increased from $20 to $25. what is the markup rate?

25%

3%

20%

5%

the answer is c.

for continuous functions, they continue in the same pattern and you have to find that pattern kinda like slope

$9.89

step-by-step explanation:

9.90 = p x .06 x .25 (3/12 changed to a decimal)

9.90 = p x 0.015

9.90 - 0.015 = p

9.89 = p