Pour 157 ml of water into the two cylindrical containers below to make their water levels equal. How many centimeters is this height? Solve by equation
Solution: 157ml = 157cm3.
Let the height be x cm.
3. 14 * 3 * 3 * x+3. 14 * 1 * 1 * x = 157
28.26x+3. 14x= 157
3 1.4x= 157
x=5
Answer: the height is 5cm.