Lesson Worksheet: Inverse Variation Mathematics • 9th Grade
In this worksheet, we will practice creating formulas linking two quantities that vary directly and indirectly.
A copy center is printing leaflets for a local school. The time it takes for the job to be completed varies inversely with the number of copiers used, and if 4 copiers are used, the job will take of an hour.
How many copiers are required to complete the job in half an hour?
Letting be the time in hours to complete the job using copiers, what is the value of the product, ?
Write an equation for in terms of .
A group of scouts receives a donation of to fund places on an international jamboree. The amount each scout receives for their trip varies inversely with the number of scouts from the group going to the jamboree.
Write an equation for , the amount each scout receives, in terms of , the number of scouts from the group who are going to the jamboree.
If 25 scouts from the group are going to the jamboree, how much will each scout receive from the donation?