Set A and set B has the same number of elements. The number of elements in Set C is the sum of 1/4 the number of elements in Set B and 1/3 the number of elements in Set A. What is the ratio of the number of elements in Set C to the number of elements in Set A?
-
A1/2
-
B2/3
-
C4/5
-
D7/12
-
E5/6
显示答案
正确答案: D