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At a school concert, the total value of tickets sold was $1,374. Student tickets sold for $6 and adult tickets sold for $9. The number of adult tickets sold was 5 less than 3 times the number of student tickets. Find the number of student tickets sold, s, by solving the equation 

6s + 27s − 45 = 1,374.

 Feb 6, 2020
 #1
avatar+272 
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OKay. Let's get started.

we will make a system of equations.

s for students.

\(6s + 27s − 45 = 1,374\)

\(27s+6s=1374+45\)-- add 45 to both sides.

\(33s=1419\)-- combine like-terms.

\(s=43\)

.
 Feb 6, 2020
 #2
avatar+21931 
+2

s = student tix

 

 

6s + 27s − 45 = 1,374.     solve for s

33s - 45 = 1374                add 45 to both sides of the equation

33s = 1419                       divide both sides by 33

s = 43         number of student tix

 Feb 6, 2020

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