Problema Solution

A smal fast food restaurant invests $5000 to produce a new food item that will sell for $3.49. Each item can be produced for $2.16. How many must be sold to break even. Write a system of equations.

Answer provided by our tutors

The total cost of producing x units and i = 5000 the initial cost is


C = 2.16*x + i


C = 2.16*x + 5000


The revenue obtained by selling x units is


R = 3.49x


Because the break-even point occurs when R=C you have C = 3.49x and the system of equations to solve is


C = 2.16*x + 5000

C = 3.49x


solving the system by substitution we have


2.16*x + 5000 = 3.49x


x = 3759.3985


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x = 3759 units


the fast food restaurant must sell about 3759 units to break even.