Question

Jacob, Kylie, and Manuel each bought a sandwich and drink. The total bill to $21, and each drink cost $2. Of each sandwich cost the same amount, what is the cost of one sandwich?

Answer 1

We know that each drink costs 2 dollars. and there is 3 people. 2*3=6  
21-6=15 

15/3 = 5

1 sandwich costs 5 dollars! (thats a lot) 
Hope this helps you

Answer 2

1 sandwhich : $5
Cause the 3 drinks that equals $6 and $21 - $6 = 15 and 15\3 people is 5