Imagine you are a scientist studying ancient civilizations. you come across some ancient artifacts and after careful thought, determine the artifacts to be from a tribe of hunter-gatherers. you make this decision based on the presence of one particular artifact. from the list below, which artifact would have told you that the civilization was a tribe of hunter-gatherers? small clay pots cave drawings of animals tents made of animal hides small rock hearth

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".

john maynrd keynes developed new economic respose to the                           ( b. great depression if the 1930's)