Given a number and percent determine the missing whole number

The video tutorial explains how to solve a percentage problem where 18 is 13% of an unknown number. The instructor guides through setting up a proportion, applying cross multiplication, and using long division to find the solution. The process is broken down into clear steps, emphasizing the importance of understanding each part of the calculation.

What steps are involved in dividing to find the whole when given a part and a percentage?

Describe how to handle long division when calculating the whole from a percentage.