Question

(a) Rekha is 3 times as old as her sister. If the sum of their ages is 48,how old is Rekha’s sister?

Answer 1

let age of Rekha be 3y

so , her sister's be y

so ,

y + 3y = 48

4y = 48

y = 48/4 = 12 yrs

so , Age of Rekha is = 3*12 = 36 yrs

Answer 2

Step-by-step explanation:

HEY MATE YOUR ANSWER IS HERE ^_^

LET REKHA'S SISTER'S AGE IS X

∴REKHA'S AGE = 3X

∴ 3X + X = 48

4X = 48

X = 12

∴ REKHA'S SISTER'S AGE IS 12 YEAR'S

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