SOLUTION: Barb paid her bill with quarters. If she had use dimes instead, she would have needed 27 more coins. How much was her bill?

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Question 857852: Barb paid her bill with quarters. If she had use dimes instead, she would have needed 27 more coins. How much was her bill?
Answer by JulietG(1812) About Me  (Show Source):
You can put this solution on YOUR website!
She would have needed 2.70 more if she used dimes.
2.70 divided by the difference between a quarter and a dime (.15) = 18
18 quarters is $4.50
If she had used 18 dimes, the total would have been $1.80. Add that to the 27 more coins ($2.70) to get $4.50.
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Interesting word problem!