the ratio of males and females in a group is 6:7 if four females join the group and three males leave the group the ratio of females to males become 4:3 what is the original number or males and females respectively in the group
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Answered by
2
Step-by-step explanation:
The ratio of males be x and
the ratio of females be y
but, the ratio is 6:7=x/y=6/7
7x=6y
7x-6y=0 ........(1)
given,
x+4/y-3=4/3
by cross multiply
3(x+4)=4(y-3)
3x+12=4y-12
3x-4y=12-12
3x-4y=0 ...........(2)
collect the equation and put
elimination method
Answered by
4
Answer:
48,56
Step-by-step explanation:
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