Question

30 POINTS, IM TO LAZY TO DO THIS AND IT WAS DUE TWO WEEKS AGO SO UH PLEASE HELP.

Answer 1

the first answer should be the answer of second one, and the first answer is "s + t = 28"

the third questions answer is 28 t shirts and 4 sweatshirts.

and the forth question answer is 4 sweatshirts.

I hope this helps.