Question
The average number of cookies in Box J, Box K and Box L is 45. Box J has 39 cookies. The number of cookies in Box K is twice the number of cookies in Box L. What is the number of cookies in Box L?
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The average number of cookies in Box J, Box K and Box L is 45. Box J has 39 cookies. The number of cookies in Box K is twice the number of cookies in Box L. What is the number of cookies in Box L?