Question
The average number of shortbreads in Box A, Box B and Box C is 30. Box A has 30 shortbreads. The number of shortbreads in Box B is twice the number of shortbreads in Box C. What is the number of shortbreads in Box C?
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The average number of shortbreads in Box A, Box B and Box C is 30. Box A has 30 shortbreads. The number of shortbreads in Box B is twice the number of shortbreads in Box C. What is the number of shortbreads in Box C?