two numbers are in the ratio of 3 :7 if 4 is added to each of them the ratio becomes wall is 1:2 find the numbers
Answers
Answered by
5
the first no. is 12 and the second no. is 28
Attachments:
Answered by
2
Hey dear here is your answer!!!!
Let the no. be x and y
According to question
=>x/y=3/7
=>7x=3y
=>x=3y/7.....eq(1)
Now new condition
=>x+4/4+y=12
=>2x+8=y+4
=>2x=y-4(substitute value of x from eq (1))
=>6y/7 = y-4
=>6y=7y-28
=>y=28
substitute the value of y in eq(1)
=x=3*28/7
=>x=12
Hope it help u !!!☺️
Let the no. be x and y
According to question
=>x/y=3/7
=>7x=3y
=>x=3y/7.....eq(1)
Now new condition
=>x+4/4+y=12
=>2x+8=y+4
=>2x=y-4(substitute value of x from eq (1))
=>6y/7 = y-4
=>6y=7y-28
=>y=28
substitute the value of y in eq(1)
=x=3*28/7
=>x=12
Hope it help u !!!☺️
Similar questions