Answer:
80%
Step-by-step explanation:
Cost of materials for a bar of soap = $ 2.50
Selling price for a bar of soap = $ 4.50
Markup percent = 
Markup percent = 
= 
= 
= 
= 80<em>% </em>
Multiply, then divide, Add, then subtract. PEMDAS, Please, Excuse, My, Dear, Aunt, Sally. Thats the order of operstions
If the circumference of a circle is changed from 9 cm to 3 cm, then the diameter decreases by a factor of 3.
3.4
5.14
______
8.54
If we round the answer
We get 8.5
Guess I gave you the correct answer