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

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