For one Fredburger, one Milk Shake and two order of Fries, we pay $4.34
<h3><u>Explanation:</u></h3>
Let us assume the cost of Fredburger as B, cost of Milk Shake as M, and cost of Order of Fries as Y.
As mentioned in the Question:
----------- Equation 1
, ----------- Equation 2
, ----------- Equation 3
Let us assume that we have to pay $X for one Fredburger, one Milk Shake and two order of Fries.
, consider this as Equation 4
Substituting Equation 3 into Equation 1:
M = $ 0.93
Substituting value of M in Equation 2,
Substituting value of M in Equation 3,
------------ Equation 6
Substituting Equation 5 in Equation 6,
Y = $0.62
Substituting value of F in Equation 6,
B = $2.17
Substituting values of B, Y, and M in Equation 4,
$X = $4.34