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Mathematics, 07.07.2019 09:00 DESI111609

Sushirama sells rolls for 12$ each. for 20$ per month, you can purchase a discount card which makes the rolls 9$ each. which inequality below couod be used to find how many rolls of sushi(r) you would need to eat in month to make the discount card a good deal? (a) 12r > 20 + 9r (b) 12r > 20r + 9 (c) 12r < 20 + 9r (d) 12r < 20r + 9

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