Question

Katie is making lemonade from a powder mix.

The ratio of scoops of powder mix to water is
4 scoops to 1 gallon.
a. How much water should Katie mix if she
uses 12 scoops of mix?
b. How much powder mix should Katie use if
she plans to use 5 gallons of water?

Answer 1

a) 3 gallons

b) 20 scoops

Explanation:

Ratio values can be multiplied by a suitable constant to obtain an equivalent ratio.

You have ...

scoops : gallons = 4 : 1 = 12 : 3 = 20 : 5

a) 3 gallons of water should be used with 12 scoops of mix

b) 20 scoops of mix should be used with 5 gallons of water