joe drank 4 liters of water on monday and 4 deciliters of water on tuesday.how much more water did he drank on monday than on tuesday

3 answers

4 deciliters = 0.4 liters. 4 liters = 40 so what day did he drink more?
Monday -- 4 liters
Tuesday -- 0.4 liters

4.0 - 0.4 = 3.6 liters
How did you get 3.6