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A stamp collection consists of 3, 8, and 15 cent stamps. The number of 8 cent stamps is one less than triple the number of 3 cent stamps. The number of 15 cent stamps is six less than the number of 8 cent stamps. The total value of all the stamps is $2.47. What is the number of 8 cent stamps in the collection?

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This provides an example of solving an algebraic word problem.

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Let the number of 3 cent stamps be x then the number of 8 cent stamps will be ...

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