4. How many troops by January 1967 and how many are volunteers? C TAIL in Vietnam

More than 380,000 American troops were in the country, alongside over 730,000 Army of the Republic of Vietnam (ARVN) soldiers and some 52,000 soldiers. South Vietnam: 798,800United States: 485,600.

Explanation:

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explanation:

the correct answer is:   "   3.6 % " .

          →   the unemployment rate is:   " 3.6 % " .

explanation:

to calculate the "unemployment rate" :

the "unemployment rate"   =

  [# of people unemployed] /   [working age population]   * 100 %   ;

                =   [9 million] / [250 million]     *   100 % ;

    →     note:   the units of "million" cancel out;

                    since:   " {million} / {million} = 1 " ;

                =   (9 / 250)   * 100 %   ;

                = 0.036 * 100 % ;

                =   3.6 %

answer:   the unemployment rate is:   " 3.6 % " .