How to set up and solve as a proportion different problems with percents, 8% of 13

The video tutorial explains how to solve percentage problems by understanding the concept of 'part over whole' and using proportions. It guides students through setting up equations by identifying parts, wholes, and percentages. The tutorial also demonstrates solving these equations using cross multiplication, with examples to clarify the process.

Explain how to solve for the unknown percent in the equation 5 is what percent of 140?

What steps are involved in applying the cross product in a proportion?