The ratio of cups of orange juice concentrate to water in a punch recipe is 2:6. if kyle used 36 cups of water, how many cups of orange juice concentrate did he use?

The ratio of cups of orange juice concentrate to water is 2:6, which simplifies to 1:3.

If Kyle used 36 cups of water, the number of cups of orange juice concentrate he used can be found by multiplying 36 by the ratio 1/3:

36 x (1/3) = 12.

Therefore, Kyle used 12 cups of orange juice concentrate.