Question

At a restuarant, one hamburger and two orders of fries cost $2.50. Two hamburgers and three orders of fries cost $4.25. At this rate, find the cost of one hamburger and one order of fries.

Answer 1

It would be $1.75 for One hamburger and one order of French fries. 
4.25 - 2.50 = 1.75
Hope this helps!