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Mathematics 22 Online
OpenStudy (anonymous):

a company sells compact discs d and cassette tapes t. the figure shows a red solid graph of d+t =1250 the blue dashed graph shows a revenue of $8,750 received from selling d compact discs at $10 each t tapes at $5 each complete parts (a) and (b) below. If the total number of discs and tapes sold is1250,determin how many of each were sold to obtain a revenue of $8,750

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