SOLUTION: 88 tickets were sold to a concert. There were 9 fewer's tickets sold to seniors than children. There were 7 more adult tickets sold the children. How many tickets were sold to adu
Question 986788: 88 tickets were sold to a concert. There were 9 fewer's tickets sold to seniors than children. There were 7 more adult tickets sold the children. How many tickets were sold to adults, to seniors, and the children? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = number of senior tickets sold
Let = number of adult tickets sold
Let = number of children's tickets sold
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(1)
(2)
(3)
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Substitute (2) and (3) into (1)
(1)
(1)
(1)
(1)
and
(2)
(2)
(2)
and
(3)
(3)
(3)
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21 senior tickets were sold
37 adult tickets were sold
30 children's tickets were sold
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check:
(1)
(1)
(1)
OK
