1. In a certain school of 400 students the students can study Fren Spanish, both or neither. Just as many study as study neither. quarter of those who study Spanish also study French. The total num who study French is 20 fewer than those who study Spanish only.
(a) If the number of students who study both language be x then f the number of students who study Spanish only in terms of x.
(b) Calculate the value of x.
(c) Compute the number of students who study French.
(d) How many students in every 100 study French only?