Explanation:
20 men can do 1 W in 36 days
=> 20 men can do 1/36 W in 1 day
=> 10 men can do 1/72 W in 1 day.
30 girls can do 1W in 36 days
=> 30 girls can do 1/36 W in 1 day
=> 12 girls can do 1/90 W in 1 day.
Together 10 men and 12 girls can do 1/72 + 1/90 W in 1 day
= 9/360 = 1/40 W in 1 day.
Therefore they need 40 days to do the piece of work.
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Answer:
Arkham. that is where both the penguin and the joker were placed
Answer:Cultural exchange affected ancient civilizations as they became more diverse.
Explanation:Cultural exchange is a process by which different civilizations or social groups begin to contact each other through trade and other means, exchanging not only goods and services but also cultural components such as art, religion, language or architecture, just to name examples.
Thus, for example, the Silk Road was a means of cultural exchange between Europe, the Middle East, and China, through which each region involved in trade through this route began to gain increasing influence from the others. . That caused, for example, Islam to spread to nations in the interior of Asia, or Chinese spices were traded in Italian markets.
As a final result, cultural exchange generated the development of more diverse civilizations, which began to adopt foreign cultural manifestations that enriched their own cultures and ended up adopting certain characteristics as their own (such as Italian food, which has a large number of pasta dishes , which were originally created in China).
It is called Prussia hope this helps