Clare mixes 2 and one half of water with one third cups of orange juice concentrate.

Han mixes 1 and one half cups of water with one fourth cup of orange juice concentrate.

whose orange juice mixture tastes stronger?

To compare the strength of the orange juice mixture, we can compare the ratios of water to orange juice concentrate in each mixture.

For Clare:
- She mixes 2 cups of water with 1/2 cup of orange juice concentrate.
- The ratio of water to concentrate is 2/0.5 = 4:1.

For Han:
- He mixes 1.5 cups of water with 1/4 cup of orange juice concentrate.
- The ratio of water to concentrate is 1.5/0.25 = 6:1.

Comparing the ratios, Han's orange juice mixture has a stronger taste because it has more concentrate relative to the amount of water.