The age of the father is twice the sum of age of his two children after 20 years
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Answer:
Step-by-step explanation:
→ let the fathers age be x yrs
→ the sum of ages of 2 children be (a+b)yrs
→ acc to 1st condition
→x=2(a+b)=2a+2b.....(1)
→ acc to 2nd condition
→ x+20=a+20+b+20
→ x+20=a+b+40
→ x=a+b+20.....(2)
→ equating (1) & (2)
→ a+b=20
→ sub this in(1)
→ x=40
→ therefore the fathers age is 40 yrs.
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