SOLUTION: adult tickets to the aquarium costs $22 each while child tickets cost $15 each. If a large group bought 32 tickets and paid $543, how many child tickets were purchased

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Question 1108619: adult tickets to the aquarium costs $22 each while child tickets cost $15 each. If a large group bought 32 tickets and paid $543, how many child tickets were purchased
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
adult tickets to the aquarium costs $22 each while child tickets cost $15 each. If a large group bought 32 tickets and paid $543, how many child tickets were purchased
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Quantity EQ:: a + c = 32 tickets
Value EQ::: 22a + 15c = 543 dollars
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Modify for elimination::
22a + 22c = 22*32
22a + 15c = 543
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Subtrace and solve for "c"::
7c = 161
c = 27 (# of child tickets sold)
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Cheers,
Stan H.
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