SOLUTION: i need help on this word problem. amy is trying to eat a healthier diet. she knows that a carrot has 13 more calories than a stalk of celery and that 5 carrots and 10 celery st

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: i need help on this word problem. amy is trying to eat a healthier diet. she knows that a carrot has 13 more calories than a stalk of celery and that 5 carrots and 10 celery st      Log On


   

Question 814652: i need help on this word problem.
amy is trying to eat a healthier diet. she knows that a carrot has 13 more calories than a stalk of celery and that 5 carrots and 10 celery stalks together have only 170 calories. help her find the calories in each food.
thank you : )
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
c = cal/celery
k = cal/carrot
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k = c + 13
5k + 10c = 170
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5k + 10c = 170
5(c + 13) + 10c = 170
5c + 65 + 10c = 170
15c = 105
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c = celery = 7 cal
k = carrot = 20 cal
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