Question

A sum$360 is divided between 96 students.each student belongs to ecectly of two groups a and b if each student in group a got $2.40​ and each student group b got $4.80,what is the number of students in group b

Answer 1

a + b = 96--------------------> a + b = 96

2.40a + 4.80b = 360---->.5a + b = 75

-----------------

.5a = 21

a = 42, b = 54

42 students are in group a;

54 students are in group b