Problema Solution
At a concession stand, seven hot dog(s) and four hamburger(s) cost $16.75. Four hot dog(s) and seven hamburger(s) cost $19.00. Find the cost of one hot dog and the cost of one hamburger.
What is the cost of one hot dog?_____
What is the cost of one hamburger?_____
Answer provided by our tutors
hot dog cost x and ham,burger cost y
so we have
7x + 4y = 16.75
and
4x + 7y = 19
solving these we get
x = 1.25 and y = 2
so Hot dog cost $1.25 and Hamburger costs $2