SOLUTION: one yogurt and two salads contains 550 calories. Three Yogurts and 1 salad contains 440 calories. find the numberof calories contained in the yogurt and the number of calories cont

Question 571542: one yogurt and two salads contains 550 calories. Three Yogurts and 1 salad contains 440 calories. find the numberof calories contained in the yogurt and the number of calories contained in the salad.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
one yogurt and two salads contains 550 calories. Three Yogurts and 1 salad contains 440 calories. find the numberof calories contained in the yogurt and the number of calories contained in the salad.
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Equations:
y + 2s = 550
3y+ s = 440
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Multiply thru the 2st equation by 2:
y + 2s = 550
6y+ 2s = 880
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Subtract and solve for "y":
5y = 330
y = 66 (# of calories in the yogurt)
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Solve for "s":
y + 2s = 550
66 + 2s = 550
2s = 484
s = 242 (# of calories in the salad)
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cheers,
Stan H.
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