In a class there are 108 students and the ratio between boys and girls is 5:4,if the number of Boys is increased by 3 and same girls are also increased then new ratio becam 7:6 find the number of girls increased
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108/(5 +4)= 12
boys 5(12) =60
girls 4(12) =48
3 boys is added
60 +3 = 63
New ratio
63: x :7:6
63 /7 =9
9×6 =54
no of girls added
54- 48 =6
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108/5+4=12
boys=5(12)=60
girls=4(12)=48
3were added
60+3=63
63 :x:7:6
63/7=9
9*6=54
54-48=6=answer
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