900 light bulbs are packaged and shipped d to a retail store. 13% of them were broken. which equation is the number of light bulbs broken? 117/900, 117/8100, 11.1/100, 100/1.4

To find 13% of 900, you need to convert the percent to a decimal.
13/100 = 0.13

Then, you do 900 * 0.13 = 117

117/900 light bulbs were broken

We can figure out how many light bulbs are broken by looking at the wording of the question
13% of 900 lightbulbs were broken
the word "of" is referring to multiplication
so we can multiply 13% by 900

900 * .13 = 117

117 lightbulbs out of 900 were broken

this could also be written as 

117/900

hope this helped!