# The shutter speed s, of a camera varies inversely as the square of the aperture setting f. When f= 8, s= 125, how do you calculate the value of s when f=4?

##### 1 Answer

May 16, 2017

#### Explanation:

If two variables are inversely proportional, multiplying the two variables together would give a constant no matter how you change the two variables. That means that:

Plug into the values. Call

Solve for