Three burgers and two orders of French fries cost $24. Five burgers and one order of french fries cost $33. What is the cost of one burger? What is the cost of one order of French fries?
Let the cost of burgers be B.
Let the cost of French fries be F.
3B+2F=24
5B+F=33
3B+2F=24
10B+2F=66
7B=42, B=6
so, F=3
The cost of one burger is $6.
The cost of one order of French fries is $3.