SOLUTION: At a concession stand, three hot dogs and two hamburgers cost $7.50; two hot dogs and three hamburgers cost $8.75. Find the cost of one hot dog and one hamburger

Question 957470: At a concession stand, three hot dogs and two hamburgers cost $7.50; two hot dogs and three hamburgers cost $8.75. Find the cost of one hot dog and one hamburger
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the cost in dollars of 1 hot dog
Let = the cost in dollars of 1 hamburger
------------------------
given:
(1)
(2)
----------------------
Multiply both sides of (1) by
Multiply both sides of (2) by
Subtract (1) from (2)
(2)
(1)
------------------------

and
(1)
(1)
(1)
(1)
1 hot dog costs $1
1 hamburger costs $2.25
------------------------
check:
(1)
(1)
(1)
and
(2)
(2)
(2)
OK

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