A plant grows at a rate of 4.5 centimeters per week. It is now 12 centimeters tall. Supposed that the plant continues to grow at the same rate. In how many weeks will it reach a height of 48 centimeters?
If the plant grows at a constant rate of 4.5 centimeters per week, then divide 48 by 4.5 to get the number of weeks it has grown to achieve this size, 10.66666666666667.
