Problema Solution
3 hotdogs and 4 hamburgers cost $14.25 and 4 hotdogs and 3 hamburgers cost $13.75 what is the cost of 1 hotdog and 1 hamburger?
Answer provided by our tutors
Let
x = the cost of one hotdog
y = the cost of one hamburger
3 hotdogs and 4 hamburgers cost $14.25:
3x + 4y = 14.25
4 hotdogs and 3 hamburgers cost $13.75:
4x + 3y = 13.75
We have the following system of equations:
3x + 4y = 14.25
4x + 3y = 13.75
........
click here to see the system of equations solved for x and y
........
x = $1.75
y = $2.25
One hotdog costs $1.75 and one hamburger costs $2.25.