Question

The ratio of two numbers is 3:b 7, if 4 is added to the greater number and 4 is subtracted from the smaller number , the greater number becomes three times the smaller one.find the numbers.
A) 12,28
B) B18,42
C) 24,56
D) 21,49
E) 15,35

Answer 1

Ratio of two number is what???

Answer 2

Is it 3:7??

Answer 3

Let the one number be: 3x
So, other will be : 7x

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

7x + 4 = 9x - 12
2x = 16

Find x from here..
And then find the numbers that are 3x and 7x..

Answer 4

sorry that's 3: 7 typo

Answer 5

2x = 16

Divide by 2 both the sides and get x..
Then find 3x and 7x..