Answer is 13-1/2 cups Step by step We know 1 cup is = 2/9 of a liter We know we are working with 3 liters = how many cups So first I want my 3 liters in a like denominator based fraction 1 liter is = 9/9 so 3 liters is = 27/9 I want to divide 27/9 by 2/9, the part of a liter that equals 1 cup When I divide a fraction, I flip one fraction and multiply 27/9 x 9/2 = 243/18, simplify to 13-1/2 cups Problem solved
You can check your work Multiply 13-1/2 cups x 2/9 Change your whole number to a mixed fraction 27/2 x 2/9 = 54/18, simplify it equals 3 liters!
