Question

You use 6 gallons of water on 20 plants in your garden. At that rate, how much water will it take to water 30 plants?

Answer 1

Find how much it takes to water 10 plants.

20/2=10

6/2= 3

It takes 3 gallons of water 10 plants.

3*3= 9

It takes 9 gallons of water for 30 plants.

I hope this helps!
~kaikers