Question

two numbers are in the ratio 7 : 8.if 4 is added to both ,the number are as 8 : 9 .find the number​

Answer 1

Answer:

Step-by-step explanation:

Let the numbers be 7x and 8x.

Now,

When 4 is added to the numbers,

(7x+4)/(8x+4)=8/9

(7x+4)×9=(8x+4)×8

(Crossmultiplication)

63x+36=64x+32

36-32=64x-63x

x=4

Hence 1st no.=7×4=28

And 2nd no. =8×4=32

Answer 2

Tell class and chapter dear .

so I can tell answer.