Question: Fred was having a party and was responsible for buying canned soda. He figured every guest would drink 2 sodas and he was inviting 15 people to the party. The local store had a deal on sodas that week. Every 6 pack of canned sodas was on sale for $3.00. How much would it cost Fred to buy enough sodas for every guest to have 2 cans? Think carefully first, then make a decision:
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He planned on 2 sodas per guest and invited 15 guests so 2 * 15 = 30 cans of soda. Each pack of soda had 6 cans. He needed to buy 30 cans of soda for his guest so 30 / 6 = 5 packs of soda. The soda was on sale for $3.00 per 6 pack and he was buying 5 packs so 3 * 5 = $15.00 for soda. So the answer is 15.
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