Question

Chuck mixes 0.42 ounces of plant food and 2 gallons of water in a watering can. "

is enough plant food for 14 plants. Chuck has 12 plants to water and gives each one
the recommended amount of water. How much plant food, in ounces, is left in the
watering can?

Answer 1

0.06

Explanation:

0.42 ounces is enough for 14 plants. After watering 12 plants, there will be enough plant food left over for 2 plants. Write a proportion:

0.42 / 14 = x / 2

Cross multiply:

14x = 0.84

Solve:

x = 0.06