The circle graphs show the number of free, partly free, andnot free countries in

Question

The circle graphs show the number of free, partly free, andnot free countries in 1974 and 2004. Use information to solveproblems. A. What percentage of the world's countries were free in1974? B. What percentage of the world's countries were free in2004? C. Find the percent increase in the number of freecountries from 1974 to 2004? With A I added the part and not free countries then divided bythe percentage of free countries and this seems to be correct but Iam having alot of problems solving B & C.

Explanation / Answer

A. you add all the numbers: 48 + 41 + 63 = 152 , and to get % offree: 41/152 = .2697 x 100 to get % = 26.97%

B. you do the same here: 89/192 = .4635 x 100 = 46.35%

C. 89 - 41= 48 more countries in 2004 than 1974

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