The number of boys and girls in a class is of ratio 7:5. if the number of boys is 8 more than the number of girls, what is the total number of students in the class. Show the way.
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ANS:48
X+8:X=7:5
(X+8/7)=X/5
2X=40
X=20
TOTAL NO OF STUDENTS=2X+8=48
X+8:X=7:5
(X+8/7)=X/5
2X=40
X=20
TOTAL NO OF STUDENTS=2X+8=48
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28:20