Question

Form the pair of equations and solve them: I am three times as old as
my son. Five years later I shall be two and a half times as old as my
son. How old am I now and how old is my son now ?​

Answer 1

Answer:

age of father is 45 and son's age is 15

Step-by-step explanation:

lets assume father's age to be x and son's br y

Acc/q

x=3y      ---eq1

After 5 years

(x+5) = $2\frac{1}{2}$(y+5)

x+5 = $\frac{5}{2}$ (y+5)

2x+10 = 5y + 25      ----eq2

put the value of x from eq 1 in eq 2

2*3y - 5y = 25 -10

y= 15

=> x = 3*15 =45

so current age of father is 45 and son's is 15

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