Question

Lucas is having posters made for a school event. The setup fee for producing the posters is $18, and each poster he has made costs an additional $1.50. If the total cost of Lucas's posters is $42, how many posters did he have made?

Answer 1

42- 18= 24
24/1.5=16.

He made 16 posters.

Answer 2

he had 16 posters made.
18+1.50x=42
x=16