-30
=> 22= 4.6
2) The ratio of boys to girls in a class is
3:4. If the total number of students is
70, find the number of boys and girls.
Answers
Answered by
0
Answer:
30and40
Step-by-step explanation:
ratio is 3:4
let boys=3x and girls=4x
so,3x+4x=70
7x=70
x=10
so boys=3x=>3(10)=30
girls=4x=>4(10)=40
Answered by
1
Answer:
Boys = 30 ,girls = 40
Step-by-step explanation:
Let common factor be x
No of boys = 3x
No of girls = 4x
Sum of ratios = 7x
No of boys = 3x/7x ×70 = 30
No of girls = 4x / 7x × 70 = 40
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