# How to solve this Math word problem

*label*Mathematics

*timer*Asked: Oct 22nd, 2015

**Question description**

The intensity I of light from a lightbulb, measured in watts per square meter (w/m^2), varies inversely as the square of the distance d from the light bulb. Suppose I is 60 w/m^2 when the distance is 3 m. Find the intensity when the distance from the light bulb is 5 m away.