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3 years ago

13

N the United States in the 20th century, average life expectancy increased from about 47 years to about 77 years. Find the perce

nt of increase to the nearest percent.
A. 39%

B. 64%

C. 264%

1 answer:

Serga [27]3 years ago

5 0

About 64 percent so your answer is B

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