72/9 is equivalent to 8/1
so, option A is your answer.
Answer:

Step-by-step explanation:
Based on the given conditions, formulate: 
Convert decimal to fraction:
Divide a fraction by multiplying its reciprocal:
Cross out the common factor: 
Calculate the product or quotient: 
get the result: 
Answer: 
Answer
310000
Step-by-step explanation:
Times the first number by 24%, add it up with the number, and the answer is there!
To find the unit rate or how much one-ounce costs
You divide
1.12/8.2
$0.14 For one ounce