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Skill 3, Path 1 : Percentages 2

Mr. Louis has a loyalty card at the pharmacy. This card entitles him to a voucher worth 10% on antibiotic purchases and 15% on Vitamin D purchases.

Mr Louis buys this week 1 box of antibiotics at 14.26 euros per box and 2 boxes of Vitamin D at 4.23 € per box.