SOLUTION: one bar of candy a and two bars of candy b have 773 calories. two bars of candy a and one bar of candy b have 784 calories. find the caloric content of each candy bar

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Question 819990: one bar of candy a and two bars of candy b have 773 calories. two bars of candy a and one bar of candy b have 784 calories. find the caloric content of each candy bar
Found 2 solutions by TimothyLamb, ewatrrr:
Answer by TimothyLamb(4379)   (Show Source): You can put this solution on YOUR website!
a + 2b = 773
2a + b = 784
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solve the above system of linear equations for a and b:
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answer:
a = 265 cal
b = 254 cal
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Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi,
a + 2b = 773cal
2a + b = 784cal
-2a -4b = - 1546
2a + b = 784
-3b = -762
and
CHECKING our answer***
2a + b = 530cal + 254cal = 784cal
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