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If it is a guy of 9 years of age average height and weight and does 30-60 minutes of exersize a day he should take about 1800 calories a day if a girl average height a weight 30-60 minutes of exersize a day then she should take about 1600 calories a day

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2011-02-19 01:23:56
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Q: How many calories should a 9 year old boy have a day?
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