SOLUTION: Need help setting up and solving following word problem----Four large cheeseburgers and two chocolate shakes cost a total of $7.90. Two shakes cost $0.15 more than one cheeseburger

Question 806696: Need help setting up and solving following word problem----Four large cheeseburgers and two chocolate shakes cost a total of $7.90. Two shakes cost $0.15 more than one cheeseburger. What is the cost of a cheesburger? A shake?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the cost in cents of a cheeseburger
Let = the cost in cents of a shake
-----------------------------------
(1)
(2)
------------------
Always make sure that the number of equations
matches the number of unknowns- it does.
(2)
Subtract (2) from (1)
(1)
(2)

and
(2)
(2)
(2)
(2)
(2)
--------------
A cheeseburger costs $1.55
A shake costs $.85
check:
(1)
(1)
(1)
(1)
OK

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