Problema Solution
A tatol of 576 tickets were sold for the school play. They were adult tickets or student tickets. The number of student tickets sold was three times the number of adult tickets sold. How many adult tickets were sold?
Answer provided by our tutors
let
a = the number of adult tickets sold
s = the number of student tickets sold
total of 576 tickets were sold for the school play
a + s = 576
the number of student tickets sold was three times the number of adult tickets sold
s = 3a
plug s = 3a into a + s = 576
a + 3a = 576
by solving we find
a = 144 tickets
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there were 144 adult tickets sold.