An efficiency expert has calculated that about 9.5% of the articles produced in a manufacturing plant are defective. This is equivalent to expressing the defective articles as:
(A) 9 out of 15
(B) 9 out of 50
(C) 10 out of 95
(D) 19 out of 100
(E) 19 out of 200

Question

An efficiency expert has calculated that about 9.5% of the articles produced in a manufacturing plant are defective. This is equivalent to expressing the defective articles as:
(A) 9 out of 15
(B) 9 out of 50
(C) 10 out of 95
(D) 19 out of 100
(E) 19 out of 200

anonymous · Answer

percent (%) literally means per cent or per 100.
therefore 9.5% is the same thing as 9.5 per 100. this can be expressed in fractional form as 9.5/100
Thats unfortunately not an answer choice, as all the answer choices have whole number numerators. You can achieve this by multiplying both the numerator and the denominator by 2. this gives you (9.5*2)/(100*2) = 19/200. E