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Solve the Problem. -A Collection of Dimes Is Arranged in a Triangular Array

Question 159

Multiple Choice

Solve the problem.
-A collection of dimes is arranged in a triangular array with 15 coins in the base row, 14 in the next, 13 in the next, and so on with 1 dime in the last row. Find the value of the collection.


A) $1.20
B) $24.00
C) $12.00
D) $6.00

Correct Answer:

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