Based on the information given, the amount of water used will be 1 2/3 gallons.
From the information given, it was stated that Ivan watered 3 plants and that every plant got 5/9 gallons of water.
Therefore, the amount of water that'll be used for all will be:
= 5/9 × 3
= 15/9
= 1 2/3.
In conclusion, the correct option is 1 2/3 gallons.
Learn more about fractions on:
https://brainly.com/question/17220365
