Question

please give me the answer of this in picture??​

Answer 1

Answer:

ravish's present age =x=42

aarushi's present age=y=12

Step-by-step explanation:

let ravish's present age=x

then, before seven years ravish's age=x-7

and, after three years ravish's age will=x+3

and, let aarushi's present age=y

then, before seven years aarushi's age=y-7

and, after three years aarushi's age will=y+3

according to the problem

x-7=7(y-7). let equation(I)

x+3=3(y+3). let equation(ii)

solving equation(I)we get,

x-7=7(y-7)

x-7=7y-49

x-7y= -49+7

x= -42+7y

solving equation(ii)we get

x+3=3(y+3)

x+3=3y+9

Now putting the value of x= -42+7y in x+3=3y+9

-42+7y+3=3y+9

7y-3y=9+42-3

4y=48

y=48/4

y=12

putting the value of y=12 in x= -42+7y

x= -42+7y

x= -42+7×12

x= -42+84

x=42

• hope it helped