Answer:

The number is 8 because 
And if you add 4, you get 20
Hence, the number is 8
Answer:
70 gallons
Step-by-step explanation:
I know there are 4 quarts in a gallon, so divide the given quarts amount by 4!
280 ÷ 4 = 70.
Search "gallon conversion chart" on a search engine to find some helpful images!! :)
Answer:
Step-by-step explanation: