SOLUTION: Suppose a lunch consisting of a large hamburger, large fries and large soft drink at a fast food chain contains 1380 calories. A lunch consisting of a small hamburger, small fries

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Question 927966: Suppose a lunch consisting of a large hamburger, large fries and large soft drink at a fast food chain contains 1380 calories. A lunch consisting of a small hamburger, small fries and a small soft drink at the same fast food chain contains 880 calories. Find the percent change in calories from the smaller to the larger lunch. Round to the nearest hundredth of a percent.
Found 3 solutions by TimothyLamb, josgarithmetic, MathTherapy:
Answer by TimothyLamb(4379)   (Show Source): You can put this solution on YOUR website!
((1380-880)/880) * 100 = 56.82 %
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Answer by josgarithmetic(39620)   (Show Source): You can put this solution on YOUR website!
{change}/{original}, and then multiply by 100.






36.23% decrease
Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!
Suppose a lunch consisting of a large hamburger, large fries and large soft drink at a fast food chain contains 1380 calories. A lunch consisting of a small hamburger, small fries and a small soft drink at the same fast food chain contains 880 calories. Find the percent change in calories from the smaller to the larger lunch. Round to the nearest hundredth of a percent.
PERCENT CHANGE in CALORIES:  OR

______, or %

Note that since the percent change is positive (+ 56.82%), there was an INCREASE in the amount of calories!!

You can do the check!! 

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