SOLUTION: Adam and Angel have jobs buying and selling pet lizards. Adam sold 13 geckos and 7 iguanas for a profit of $208.50 . Angel sold 11 geckos and bought 7 iguanas for a profit of $79.5
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Question 139252: Adam and Angel have jobs buying and selling pet lizards. Adam sold 13 geckos and 7 iguanas for a profit of $208.50 . Angel sold 11 geckos and bought 7 iguanas for a profit of $79.50 . Find the price of one gecko and one iguana, using the addition method for solving systems.
- We're learning about using FOIL and linear systems but I just can't figure this out please help
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Adam sold 13 geckos and 7 iguanas for a profit of $208.50 . Angel sold 11 geckos and bought 7 iguanas for a profit of $79.50 . Find the price of one gecko and one iguana, using the addition method for solving systems.
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13g + 7i = 20850 cents
11g + 7i = 7950 cents
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Subtract the 2nd equation from the 1st to get:
2g = 12900
g = $64.50
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Substitute into 2nd to solve for i:
11*6450 + 7i = 7950
7i = a negative number
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Please check your problem statement.
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Cheers,
Stan H.
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