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Mathematics 20 Online
OpenStudy (anonymous):

How many 4 cent cards can be purchased for 4D cards? (A) D (B) 16D (C) 400D (D) 100D (E) 16D/100 I got A.

jimthompson5910 (jim_thompson5910):

one card costs 4 cents if you want to figure out the total cost of purchasing 4D cards then multiply the two figures to get 4*4D = 16D this cost is in cents to convert to dollars, divide by 100 to get 16D/100

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