At the Cafe, a lunch of iced tea, a veggie burger, and fries costs $7.56, with the fries costing twice as much as the iced tea. Next week at the Cafe, the price of the iced tea will increase 10% and the price of the veggie burger will increase 25%. After the increase, the same lunch purchase will cost $8.68. What is the matrix for these meals?
t+b+f = 7.56
f = 2t
1.1t + 1.25b + f = 8.68
Now just crank out the desired answers