Question

2.75 cups of water mixed with 3.5 cups of pancake mix will make 19 pancakes. How much water is needed if there is only 1.5 cups of pancake mix left?

Answer 1

1 5/28 cups of water

Explanation:

Water : pancake mix

2.75 : 3.5

X : 1.5

2.75/X = 3.5/1.5

X = 2.75 × 1.5/3.5

X = 33/28 or 1 5/28 cups

Answer 2

You would need .75 cups of water (or 3/4 cups) if there is only 1.5 cups of pancake mix left

Explanation:

So the ratio of water to pancake mix is 2.75 : 3.5 (which makes 19 pancakes)

To get from 3.5 cups of pancake mix to 1.5 cups of pancake mix you would subtract 2 cups. Since this is a ratio, you would not only subtract 2 cups from the pancake mix, but also from the water. 2.75 - 2 = .75 Therefore, you would need .75 cups of water (or 3/4 cups) if there is only 1.5 cups of pancake mix left. Hope this helps!