Four gallons of gasoline cost $14. Complete the table.

Question

gallons ~ _ _ _ 6
cost ~ 3.5 7 14 _
i dont really understand

Answer 1

14/4 = 3.50 dollars/gal

$3.50 * 1 gal/ $ 3.50 = 1 gallon
7 $ * 1 gal / $3.5 = 2 gallons
$ 14* 1 gal / $3.5 = 4 gallons
6 gallons * 3.50 dollars / gallon = 21 dollars