SOLUTION: Four hamburgers and three orders of french fries cost $5.15. Three hamburgers and five orders of fries cost $5.10. What would one hamburger and one order of fries cost?

Question 114226This question is from textbook
: Four hamburgers and three orders of french fries cost $5.15. Three hamburgers and five orders of fries cost $5.10. What would one hamburger and one order of fries cost? This question is from textbook

Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let's let H=cost of hamburger and F=cost of fries.
1.
2.
Let me use equation 1 to solve for H in terms of F and then substitute into equation 2.
1.

Now substitute into 2.
2.

Now that you have F, you can substitute into either equation to find H.
2.

Hamburgers cost $0.95 and french fries cost $0.45.
One hamburger and one order of fries would cost $1.40.
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