Problema Solution
at a concession stand, seven hot dogs and four hamburgers cost $15.00; four hot dogs and seven hamburgers cost $18.00 . find the cost of one hotdog and the cost of one hamburger
Answer provided by our tutors
let
d = the cost of one hot dog
h = the cost of one hamburger
seven hot dogs and four hamburgers cost $15.00
7d + 4h = 15
four hot dogs and seven hamburgers cost $18.00
4d + 7h = 18
by solving the system of equations
7d + 4h = 15
4d + 7h = 18
we find
d = $1
h = $2
click here to see the step by step solution of the system of equations
the cost of one hot dog is $1.
the cost of one hamburger is $2.