Question

On the first day that tickets to the school play were sold, 100 tickets were sold for $230. Regular tickets cost $3 and student tickets cost $2. How many of each kind of ticket were sold

Answer 1

30 of the $3 tickets were sold
70 of the $2 tickets were sold.

(3*30) + (2*70) = 230

Answer 2

this is using the substitution method