Question

The age of A is one-third of the age B. After 15 years, the age of a will be half of the

age of B. Find their present ages.​

Answer 1

Answer:

Present age is 7.5 years

Step-by-step explanation:

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Answer 2

Answer:

The age of a is x

The age b is y

as that question

x=y/3-----------a)

and x+15=(y+15)/2

or,2x+30=y+15

or,2x=y-15

or,x=(y-15)/2

these 2 equations are compared

y/3=(y-15)/2

or,2y=3y-45

or,y=45

so the present age of b=45 year

and the age of a is 15year