SOLUTION: Devon purchased tickets to an air show for 9 adults and 2 children. The total cost was $160. The cost of a childs ticket was $8 less than an adult ticket. Find the price a) an adul
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Question 159775: Devon purchased tickets to an air show for 9 adults and 2 children. The total cost was $160. The cost of a childs ticket was $8 less than an adult ticket. Find the price a) an adults ticket b) a childs ticket.
Answer by jojo14344(1513) (Show Source): You can put this solution on YOUR website!
Total cost of tickets:
-------------------------------> EQN 1
Cost for each:
---------------------------------> CONDTN 1
It follows via EQN 1: , subst. CONDTN 1
-------------------------> WORKING EQN
---->
, cost per Adult ticket
And, , cost per Child ticket
Go back WORKING EQN to check:
Thank you,
Jojo
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