Find the percent of the cup that is filled with water after 3 seconds. Use 3.14 for pi and round your final answer to the nearest percent.

Question

The cup was filled at a constant rate. It started empty. After 2 seconds, it held 70cm^3 of water.

Answer 1

If it contains 70 cm³ after 2 seconds and is filling at a constant rate, it will receive 35 cm³ per second. You have 3x35 or 105 cm³ after 3 seconds. However, you need the volume or the dimensions of the cup to calculate the percent it is full.