Answer: 
Step-by-step explanation:
Given
The area of the base is given by 
The height of the container is 
The volume of the cylindrical container is

Insert the values

She underestimated by 60 cents. To get this answer all you need to do is multiply 1 dollar times 12 which is $12 and then multiply $.30 by 12 and that gives you $3.60. Then you add the $12 to the $3.60 and that gives you $15.60 which is 60 cents over the estimation.
Answer:
Step-by-step explanation:
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