Question

John and some friends went to a sushi restaurant and ordered some sushi. He bought 2 Ahi Tuna, 1 California Roll, and 1 Eel Rolls. His total was $26.20. Sally only ordered 3 California Rolls her total was $17.85. Elijah ordered 3 Ahi Tuna and 2 California Rolls and his total was $34.

What is John's Equation?
What is Sally's equation?

Answer 1

Let "a" represent amount of ahi tuna, "c" represent California rolls, and "e" represent eel rolls.

John: 2a+c+e=26.20

Sally: 3c = 17.85