1. Mrs. is selling tickets to a school carnival fundraiser. Adult tickets are $5 and student tickets
are $3. At the end of the fundraiser, she had made $521 and had sold a total of 145 tickets. How
many student tickets did she sell?

Respuesta :

Answer: S=102

Step-by-step explanation:

a+s=145

3s+5a=521

a+s =145

   -s    -s

blah blah its 102 tho