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MGSM / Melanie is a door-to-door saleswoman. She sold a third of her vacuum cleaners at…

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Melanie is a door-to-door saleswoman. She sold a third of her vacuum cleaners at the green house, 2 more to the red house, and half of what was left at the orange house. If Melanie has 5 vacuum cleaners left, how many did she start with?

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