Question

The age of x and y are in the ratio 5:7 after 10 years,this ratio will become 5:6.what is the current age of x

Answer 1

Answer:

there current ages are 10 and 14.

Step-by-step explanation:

let ratio of there current ages be 5x/7x

according to the question,

after 10 years there ages will be=

5x+10/7x+10=5/6

on cross multiplying,

30x+60 = 35x+50

5x-10 = 0

5x = 10

x= 2

Answer 2

Answer:

Step-by-step explanation: 7x=5y---1

6x-5y=-10---2

By subtracting

X=10