jayceemorgan jayceemorgan

12-03-2019
Mathematics

contestada

In the united states in the 20th century, average life expectancy increased about 47 years to about 77 years. Find the percent of increase.

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bosssuhdude bosssuhdude

13-03-2019

Answer:

well it increased by 30% if thats what you mean. i really hope this helped!

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