Question

you use 4 gallons of water on 30 plants in your garden. At that rate, how much water will it take to water 45 plants?

Answer 1

4 gallons of water on 30 plants
? gallons of water on 45 plants

45*4/30 = 6

answer is 6 gallons of water on 45 plants

Answer 2

30 plants ÷ 4 gallons = 2 gallons per 15 plants

30 plants + 15 plants = 45 plants

4 gallons + 2 gallons = 6 gallons

The answer is 6 gallons