Question

The ages of Sonu and Monu are in the ratio 7:5 Ten years hence, the ratio of their ages will be 9:7 Find the linear equation formed. *
49x+90=45x+70
49x+70=45x+90
63x+90=35x+70
63x+70=35x+90


please tell me the correct answer pls​

Answer 1

Answer:

ATQ.....7x+10/5x+10=9/7

49x+70=45x+90.......b option is correct