angie read 2 books in 5 days, and each book contained 415 pages. if angie read the same number of pages each day, how many pages did she read per day?
a.
90
b.
166
c.
415
d.
830

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

Could somebody me with this radical simplification?