Question

the present age of Ram and Ramesh are are at the ratio 8 ratio 9. after 5 years the number of their ages will be 9 ratio 10. find there present age​

Answer 1

Step-by-step explanation:

so present ages of ram and ramesh is in the ratio 8:9.

that is present ages of ram and ramesh can be taken as 8x and 9x.

now after 5 years the ratio of their ages will be 9:10.

that is, age of ram after 5 years = 8x + 5 = 9

and age of ramesh after 5 years = 9x + 5 = 10

we can write it as 8x + 5 = 9

9x + 5 10

now we can cross multiply.

10(8x + 5 ) = 9(9x + 5 )

80x + 50 = 81x + 45

81x - 89x = 50 - 45

x = 5

age of ram = 8x = 8 × 5 = 40

age of ramesh = 9x = 9 × 5 = 45