(2/3)/10 = 20/x
(2/3)x = 200
x = 200 / (2/3)
x = 200 * (3/2)
x = 600/2
x = 300
2/3 cup of oatmeal is needed to make 10 granola bars. How many such granola bars can be made with 20 cups of oatmeal?
4 answers
An empty bathtub is filled with water at a rate of 2.5 litles per minuye. how long will it take to fill the bathtub with 30 liters of water?
12 minutes
nothing