Question

2 pounds of salt in 9 gallons of water. At this rate, how many pounds of salt are needed for 18 gallons of water?

Answer 1

4 pounds of salt are needed for 18 pounds.

Step-by-step explanation:

2 pounds > 9 gallons
pounds > 18 gallons

9 times by 2 equals 18.
2 timed by 2 equals 4.
Everything is getting doubled.

Answer 2

4

Step-by-step explanation:

Pounds of salt : gallons of water

(2 : 9) x 2

4 : 18

- 4 pounds