asked 205k views
2 votes
N the United States in the 20th century, average life expectancy increased from about 47 years to about 77 years. Find the percent of increase to the nearest percent.

A. 39%

B. 64%

C. 264%

asked
User Bogs
by
7.6k points

1 Answer

6 votes
About 64 percent so your answer is B
answered
User Eugene Mihaylin
by
8.2k points

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