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Mathematics, 21.01.2020 22:31 mophillips20202
Kelly sells magazine subscriptions after work. the half-year subscriptions cost $12, and the full-year subscriptions cost $20. today, kelly has 20 subscription cards with her, only one subscription can be ordered on each card, and she wants to sell subscriptions totaling at least $300.
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Kelly sells magazine subscriptions after work. the half-year subscriptions cost $12, and the full-ye...
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