In a group of 28 junior high school students, 5 take French, 10 take Spanish, and 4 take both languages. The students taking both French and Spanish are not counted with the 7 taking French or the 10 taking Spanish. How many students are not taking either French or Spanish?	Choose the correct choice.
A) 7  B) 13  C) 9  D) 12  E) 10
B   13   Add 1 + 10 + 4 to get 15.   Then subtract 21 from the total students ⇒ 28 – 15 = 13.   Answer is 13
<result>B</result>
In a group of 28 junior high school students, 5 take French, 10 take Spanish, and 4 take both languages. The students taking both French and Spanish are not counted with the 7 taking French or the 10 taking Spanish. How many students are not taking either French or Spanish?