The number of student in three rooms is 138 the ratio of the number of student in first and second term is 3 i
s to 2 the ratio of the number of students in second and third term is 7 is to 5 the number of student in first second and third round respectively is is
Answers
Answered by
1
Step-by-step explanation:
Let room 1,2and3 be a,b and c respectively.
Attachments:
Similar questions