Question

You use 4 gallons of water on 30 plants in your garden at the rate how mush water will it take to water 45 plants

Answer 1

6 gallons of water will take care of 45 plants.

Explanation:

The unit watering rate is

4 gallons

----------------- = (2/15 gallon/plant)

30 plants

Then 45 plants will require (2/15 gallon/plant)(45 plants) = 6 gallons

Answer 2

Answer: 6 gallons

Explanation:

4 gallons of water for 30 plants

turn into ratio

4:30

simplify

2:15

multiply both sides by 3 to get 45 plants

6:45

6 gallons for 45 plants