SOLUTION: How many tables that can seat 8 and 11 will Mrs.Gordon need to seat 415 people in total?

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Question 571192: How many tables that can seat 8 and 11 will Mrs.Gordon need to seat 415 people in total?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
How many tables that can seat 8 and 11 will Mrs.Gordon need to seat 415 people in total?
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8x + 11y = 415
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Solve for "y":
y = (-8/11)x + (415/11)
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Put that in your graphing calculator and
check tha "Table" for whold number solutions.
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Ans: x = 23 (# of 8 person tables)
and y = 21 (# of 11 person tables)
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Cheers,
Stan H.
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