A man is for times younger then his son.after 16 years,he will only twise as his old son.find thier present age
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1
2(×+16)=4x+16
2x=16
x=8
2x=16
x=8
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2
Let the son's age be x
Let the man's age be 4x
After 16years
Son's age =(x+16)
Men's age= (4x+16)
After 16 years, men's age= 2(son age)
4x+16=2(x+16)
4x+16=2x+32
4x-2x=32-16
2x=16
x=16÷2=8
Son's age =8
Men's age =4x=4×8
=32
Let the man's age be 4x
After 16years
Son's age =(x+16)
Men's age= (4x+16)
After 16 years, men's age= 2(son age)
4x+16=2(x+16)
4x+16=2x+32
4x-2x=32-16
2x=16
x=16÷2=8
Son's age =8
Men's age =4x=4×8
=32
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