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women

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women

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A total of 774 doctorates in mathematics were granted to United States citizens by American universities in the 1972-1973 school year, and W of these doctorates were granted to women. The total of such doctorates in the 1986-1987 school year was 362, and w of these were granted to women. If the number of doctorates in mathematics granted to female citizens of the United States by American universities decreased from the 1972-1973 school year to the 1986-1987 school year, was the decrease less than 10 percent?

1. W=w+5
2.1/10

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IMO C.

a) it states 5/W should be less than .1
b) it states 77.4
Combining these two, we could say the decrease is less than 10%

May i know the OA ?

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Quote:
IMO C.

a) it states 5/W should be less than .1
b) it states 77.4
Combining these two, we could say the decrease is less than 10%

Perfect method.


IMO C

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