Question

Please answer all my questions

Answer 1

1. let the present age of father be x and

son be y

So, x-2=5(y-2)

x-5y-8=0 ...............(1)

and, x+2=3(y+2)+8

x-3y-12=0 ...............(2)

2. let the present age of George be x

and daughter be y

So, x-4=4(y-4)

x-4y+8=0 ................(1)

and, x+4=2(y+4)+2

x-2y-6=0 ................(2)

3. let the present age of Jacob be x and

son be y

So, x+5=3(y+5)

x-3y-10=0 ................(1)

and, x-5=7(y-5)

x-7y+30=0 ................(2)

4. incomplete information

one equation cannot be formed