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6 erasers cost $6.60. Which equation would help determine the cost of 3 erasers?

6 erasers cost $6.60. Which equation would help determine the cost of 3 erasers?
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6 erasers cost $6.60. Which equation would help determine the cost of 3 erasers?

User Vav
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1 Answer

2 votes
First 6.60 divided by 6 to find the unit rate. It is 1.10 dollars per eraser. You then do 1.10 times 3 which will get you 3.30 dollars for 3 erasers.
User Ed Guiness
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