Question

Bob need to mix 2 cups of orange juice concentrate with 3.5 cups of water to make orange juice. bob has 6 cups of concentrate. how much orange juice can he make

Answer 1

3 x 2 = 6 cups of concentrate

3.5 x 3 = 10.5 cups of water  



Bob can make 6 cups of orange juice.

Answer 2

C = concetrate juice
w = water
J = orange juice

J = 2c + 3.5w

with 6 cups of concetrate he makes 3 times this receipe, right?

3J = 3x2c + 3x3.5w