Ivy drinks 2.5 liters of water each day. How many bottles of 2-liter water should Ivy buy for her 4 days consumption?
For 4 days, Ivy consumes 2.5 x 4 = <T>multiply(2.5, 4)=10.0 liters of water.
So Ivy should buy 10/2 = <T>divide(10, 2)=5.0 bottles of 2-liter water.
