Question

answer these questions

Answer 1

heya answer is here......
$given..... \\ \frac{3y + 4}{2 - 6y} = \frac{ - 2}{5} \\ 15y + 20 = 12y - 4 \\ 3y = - 24 \\ y = - 8$
hope it helps u dear.......

Answer 2

6) Present ages ratio= hari/harry =5/7

let present age of hari =5x

age of Harry =7x

ages ratio of hari and harry after 4 years 5x+4 /7x +4

5x+4 /7x +4 =3/4 ( given)

by cross multiplication

4(5x+4) =3(7x +4)

20x+16 = 21x +12

4 = x

x=4