The average number calories in each serving of vegetables is 50.
Explanation:
120×9= 1080, or the amount of calories from breads and cereals.
1080+870=1950, or the number of calories in breads, cereals, and the rest of the daily intake.
2200-1950=250, or the amount of calories in 5 servings of vegetables.
250÷5=50, or the amount of calories in 1 serving of vegetables.
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