SOLUTION: On Monday, the office staff at your school paid $8.77 for 4 cups of coffee and 8 bagels. On Wednesday, they paid $15.80 for 8 cups of coffee and 14 bagels. Can you determine the
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
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