Answered


A total of
512
tickets were sold for the school play. They were either 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 :

Let x equal the number of adult tickets sold. 

X + 3X=512
(I put 3x because we know the students sold 3 times as many). 
Solve for X. 

X+3X=512
4X=512
4X/4=512/4
X=128

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