the number of times something blank divided by total can be written as a fraction or decimal or percent

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

Define multiplicative inverse. give an example of a number and its multiplicative inverse.