How to solve Sec 2 inversely proportional Maths question

Hi, I finally uploaded an youtube video to show how to solve Sec 2 inversely proportional Maths question. Usually, the k constant is shown so it is relatively easy to calculate the change in one variable when the other variable change. However, there are some questions where the k constant is not made known. Some Read more about How to solve Sec 2 inversely proportional Maths question[…]