In a given class room, the number of girls is ten greater than the number of boys. If the ratio of the number of girls to the number of boys is 7:5 then find
a. the number of girls
b. the number of boys
c. the total number of students
Answers
Answered by
15
Answer:
ratio = the number of girls to the number of boys is
7:5
the girls are ×10 times to 7:5
7+5= 12
girls = 12/7 ×10 = 120÷ 7= 17
boys = 12/5 ×10 = 120÷5= 24
Similar questions