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Antonia is printing greeting cards. She paid a setup fee of 25 dollars and will pay 55 cents for each printed card. How many cards must Antonia print in order to make the average cost per card 75 cents?
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Antonia is printing greeting cards. She paid a setup fee of 25 dollars and will pay 55 cents for each printed card. How many cards must Antonia print in order to make the average cost per card 75 cents?

User Jonathan Coustick
by
8.3k points

2 Answers

7 votes
The answer is 125 cards.
User Finley
by
8.8k points
6 votes
0.75x = 25 + 0.55x
25 = 0.2x
x = 125
User Oguzhancerit
by
8.4k points
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