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Maria wants to add to her CD collection. If a CD costs $12, which expression shows the cost of d CDs? A. 12 - d B. 12 ÷ d C. 12 + d D. 12 × d
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Maria wants to add to her CD collection. If a CD costs $12, which expression shows the cost of d CDs? A. 12 - d B. 12 ÷ d C. 12 + d D. 12 × d

User Emomaliev
by
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1 Answer

6 votes

Explanation:

Cost of CDs

= Number of CDs * Cost of one CD

= d * $12

= $12d. (D)

The answer is using multiplication as we have a unit rate and we wish to find the total.

User Mark Stahler
by
4.2k points
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