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125 children tickets were sold
<u>Solution</u>:
Given that
Price of 1 ticket sold to children = $5
Price of 1 ticket sold to adult = $12
Total number of ticket sold = 400
Amount generated by selling 400 tickets = $3925.
Need to calculate number of ticket sold to children’s
Let’s assume number of tickets sold to childrens = x
So number of tickets sold to adults = 400 – x
Amount generated from x ticket sold to children
Amount generated from (400 – x) tickets sold to adults
<em>Total amount generated from 400 tickets = Amount generated from children’s tickets + Amount generated from adults ticket </em>
= 5x + (4800 – 12x) = 4800 -7x
As given that amount generated = 3965
=> 3965 = 4800 – 7x
Solving above expression to get value of x, we get
7x = 4800 - 3965
=> 7x = 875
=> x = 125.
Hence number of children tickets sold = 125.