Question

the ages of A and B are in the ratio 7:5.Tens years hence, the ratio of their ages will be 9:7 . find their present ages

Answer 1

Here is your answer dear⬇️


▶️ Let A's age be 7x and B's age be 5x

▶️ After 10 years, ages will be 7x + 10 and 5x + 10


ATQ,

7x + 10 + 5x + 10 = 9x + 7x

12x + 20 = 16x

20 = 16x - 12x

20 = 4x

x =

x = 5



✔️A's age = 7x = 7 × 5 = 35

✔️B's age = 5x = 5 × 5 = 25

Answer 2

✨ᎻᎬᎽ ᎷᎪͲᎬ!✨

ᎻᎬᎡᎬ'Տ ᎽϴႮᎡ ᎪΝՏᏔᎬᎡ!

ᏞᎬͲ ͲᎻᎬ ᏢᎡᎬՏᎬΝͲ ᎪᏀᎬՏ ϴҒ :-

Ꭺ = ７Х

ᎪΝᎠ, Ᏼ = ５Х

ᎪҒͲᎬᎡ １０ ᎽᎬᎪᎡՏ,

ᎪᏀᎬ ϴҒ Ꭺ = ７Х + １０

ᎪΝᎠ, ᎪᏀᎬ ϴҒ Ᏼ = ５Х + １０

ᎪᏟᏟϴᎡᎠᏆΝᏀ Ͳϴ ͲᎻᎬ ϘႮᎬՏͲᏆϴΝ,

７Х + １０ + ５Х + １０ = ９Х + ７Х

１２Х + ２０ = １６Х

２０ = １６Х - １２Х

２０ = ４Х

Х = ２０/４

Х = ５

ᎻᎬΝᏟᎬ, ᏢᎡᎬՏᎬΝͲ ᎪᏀᎬ ϴҒ Ꭺ = ７Х = ７×５ = ３５

ᎪΝᎠ, ᏢᎡᎬՏᎬΝͲ ᎪᏀᎬ ϴҒ Ᏼ = ５Х = ５×５ = ２５

ᎻϴᏢᎬ ᏆͲ ᏆՏ ᎻᎬᏞᏢҒႮᏞ ✌️!