The table shows the parts of powder and water used to make gelatin.
Boxes of Gelatin Powder (oz) Water (cups)
3 9 6
7
At this rate, how much powder and water will Jeff use to make 7 boxes of gelatin?
Jeff will use 14 oz of powder and 21 cups of water.
Jeff will use 13 oz of powder and 10 cups of water.
Jeff will use 27 oz of powder and 18 cups of water.
Jeff will use 21 oz of powder and 14 cups of water.
