Problema Solution
At the apple pan, three steak burgers and two orders of fries cost $18. Two steak burgers and three orders of fries cost $15.75. What is the cost for one steak burger?
Answer provided by our tutors
let
s = the cost of one steak burger
f = the cost of one order of fries
three steak burgers and two orders of fries cost $18
3s + 2f = 18
two steak burgers and three orders of fries cost $15.75
2s + 3f = 15.57
by solving the system of equations
3s + 2f = 18
2s + 3f = 15.57
we find
s = $4.572
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one steak burger costs $4.572.