Identify the topic sentence in the given paragraph. all members of the animal kingdom need sleep to their brains function properly. the brain needs a minimum number of hours to rest and organize itself. the number of hours depends on age. for example, human babies need an average of 14 to 16 hours of rest daily, while adults can function on about 6 to 8 hours. scientists are not completely sure what the brain does during sleep periods, but they do know that the brain sorts and stores information and replaces chemicals when a person sleeps. reset next

All members of the animal kingdom need sleep to help the brains function properly

part a. there were 250 teenagers surveyed (100% of tenagers = 250)therefore 1 % = 250/100 = 2.5 76% = 1% x 76 = 2.5 x 76 = 190 teenagers of the 250 surveyed liked burgerspart b: jane surveyed 25% (which is equal to 50 teenagers, i.e. a quarter of the teenagers surveyed is 50) to get 100% we simply get 4 quarters, i.e. multiply 50 by 4 = 200 teenagers were surveyed by jane. part c: it is impossible to give an example where a percentage is greater than 100%, since, by definition , percentage means "per 100".