To determine how much Molly's family plans to spend on meals, we can break this down step by step.
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Calculate the amount spent on gasoline and motel rooms: \[ \text{Amount for gasoline and motels} = \frac{3}{5} \times 3000 = \frac{9000}{5} = 1800 \]
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Calculate the remainder after spending on gasoline and motels: \[ \text{Remaining amount} = 3000 - 1800 = 1200 \]
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Calculate the amount spent on meals: The family plans to spend \( \frac{1}{2} \) of the remaining amount on meals: \[ \text{Amount for meals} = \frac{1}{2} \times 1200 = \frac{1200}{2} = 600 \]
So, Molly's family plans to spend $600 on meals.