How does the modern era differ from the middle ages?

a. states established manorialism as their major economic system during the modern era, while capitalism dominated the middle ages.
b. imperialism plays a major role in the modern era, while countries were too weak to establish empires during the middle ages.
c. the exchange of goods and ideas among cultures is uncommon during the modern era, but it occurred frequently during the middle ages.
d. technology allows people in the modern era to mass-produce goods more quickly and easily than was possible in the middle ages.

Technology allows people in the modern era to mass-produce goods more quickly and easily than was possible in the Middle Ages.

Explanation:

apex

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".

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