Frank's Necklace Cost Calculation

What is the cost of each pendant in the necklaces Frank made?

Calculating the Cost of Each Pendant

Frank made identical necklaces, each consisting of beads and a pendant. The total cost of beads and pendants for all the necklaces is given as $X. Each necklace has beads costing $1.80. To determine the cost of each pendant, we need to subtract the cost of beads from the total cost per necklace. Let's assume there are N necklaces. The cost of beads for all necklaces is $1.80N. The combined cost of beads and pendants for all necklaces is $X, so the total cost of pendants for all necklaces is $X - $1.80N. To find the cost of each pendant, divide the total cost of pendants by the number of necklaces: ($X - $1.80N) / N. This expression gives the cost of each pendant in the necklaces Frank made.
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