Answer:
I haven't done that type of math in a while but I cam up with 21 bookmarks
The lines are reciprocal because they cross to form an X. Also 4/5 is the reciprocal of 5/4
First lets convert 24 ft into inches. Each foot has 12 inches so 24*12 equals 288. Now we have to see which one is greater 288 inches or 324 inches. 324 inches is greater so therefore 324 inches is greater than 24 ft