This is the Displacement method of finding the volume of an object.
It works by measuring the volume of water in a cylinder and then placing the object in the water. The new measurement is then taken and the previous measurement is deducted from it.
The difference is the volume of the object.
In this instance therefore, the volume of the object is:
a, it's just like the cost of gas . . when there's a inflation with the cost of gas people need to ride bikes to work. when there's a inflation with money the prices well also rise.
