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John is twice as old as his son In 42 years the ratio of their ages will be 4 to 3 What is the son's current age?
Suppose the son is x. Then John is 2x.
In 42 years, son will be x+42 and John will be 2x+42.
So (2x+42)/(x+42) = 4/3 [Make sure you have the ratio the correct way around - with John first].
ie 3*(2x+42) = 4*(x+42)
6x + 3*42 = 4x + 4*42 or 2x = 42 or x = 21
So the son's current age is 21.
What else can I help you with?
John is twice as old as his son In 42 years the ratio of their ages will be 4.3 what is the son's current age?
42/4 = 10.510.5*3=31.5
John twelve years old is three times as old as his brother How old will John be when he is twice as old as his brother?
John will be 16.
John is 13 years less than 3 times as old as his son Six years ago he was 14 years more than twice as old as his son was then How old is John?
John is 50 and his son is 21.
Two years ago John was three times as old as Frank Five years from now John will be twice as old as Frank What is the sum of their ages right now?
32
John is twice as old as his brother Four years ago he was four times as old as his brother Find their present ages?
The ages are 8 and 4
John is twice as old as his son In 42 years the ratio of their ages will be 4.3 what is the son's current age?
42/4 = 10.510.5*3=31.5
Amy is 10 years old Her brother John is 3 years younger than she is When Amy is twice her current age how old will John be?
John will be 17 years old. Their ages will always be 3 years apart. And 20-3 = 17.
Frank is 15 years younger then John. In 5 years John will be twice as old as Frank. How old will Frank be in four years?
In four years.. Frank will be 14.
John twelve years old is three times as old as his brother How old will John be when he is twice as old as his brother?
John will be 16.
Ken is nine years younger than John In four years John will be twice as old as Ken How old are they now?
ken is 9 and john is 18. 4 years ago ken was 5 and John was 14. they had an age difference of 9 years.
John is 13 years less than 3 times as old as his son Six years ago he was 14 years more than twice as old as his son was then How old is John?
John is 50 and his son is 21.
John is 4 years older than Tim. 4 years ago John's age was twice Tim's age how old are they?
John is 12, and Tim is eight. Four years ago they would've been eight and four.
Two years ago John was three times as old as Frank Five years from now John will be twice as old as Frank What is the sum of their ages right now?
32
Mary is n years old If John is twice as old what is his age now What was his age 4 years ago?
^^^ I have to write a Algebraic Statement
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What is the average number of years served by a chief justice?
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