Question

A total of
417
tickets were sold for the school play. They were either adult tickets or student tickets. The number of student tickets sold was two times the number of adult tickets sold. How many adult tickets were sold?

Answer 1

Total tickets sold = 417

2 fractions goes to students.
1 fraction goes to adults.

Total fractions of tickets
= 2 + 1
= 3 fractions

Since adults = 1 fraction
1 fraction = 417 ÷ 3
= 139 tickets

Answer 2

139 adult tickets were sold.

2x + x = 417

3x = 417
➗3 ➗3

x = 139