1. olaf has 250 files saved on an external hard drive. of those files, 12% are photos. (a) write a percent equation to find the number of files that are photos. (b) how many photos does olaf have saved on his external hard drive?

a)   or 250 * 0.12.

b) 30 photos.

Step-by-step explanation:

Given  :  Olaf has 250 files saved on an external hard drive. Of those files, 12% are photos.

To find  :  (a)Write a percent equation to find the number of files that are photos. (b) How many photos does Olaf have saved on his external hard drive.

Solution : We have given  total files = 250 .

             12% are photos.

a) Percent equation of number of files that are photos = .

⇒ 250 * 0.12

b) Total photos in files = 250 * 0.12 = 30 .

Therefore, a)   or 250 * 0.12.

b) 30 photos.

7.25

step-by-step explanation:

we know that 7 equals to 7.0. we also know that 1/4=0.25. so we can add the two together and we get 7.25