Respuesta :

cmarsh1998
35

12 + 25y = 795

12(y + 20) + 25y = 795

12y + 240 + 25y = 795

37y = 795 - 240

37y= 555

y=15

Substitute y= 15 into

x=y + 20
x= 15 + 20
x= 35

T-shirt = 35
Sweatshirt = 15

They brought 35 t shirts
I think the answer is 35 t-shirts