Question 1155219
<pre><font face = "consolas" color = "indigo" size = 4><b>
Hi 
 Let c represent cost for cup of coffee and b for bagels     
Two Equations .. two Unknowns
4c + 8b = 8.77
4c + 7b = 7.90 |divided info by 2
|subtract 2nd EQ from 1st
b = $0.87
Wish You the Best in your Studies.