Question

.
5. The ratio of x:y is 3: 7. If 4 is added to each number then the ratio of two numbers
is 1:2. Find the value x and y?​

Answer 1

Answer:

let the x be 3x + 4

and

y be 7x + 4

Step-by-step explanation:

3x + 4 = 1

7x + 4 = 2

Do cross multiplication

2(3x + 4 ) = 1(7x + 4)

6x+ 8 = 7x + 4

6x - 7x = 4 - 8

-x = -4

if there is negative sign to the variable then cancel the negative sign on both side of equation

X = 4

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