Question 23

Joan’s age is 42 years and Kelvin’s age is 26 years. How many years ago was Kelvin’s age half of Joan’s age ?

Name: Joan’s age is 42 years and Kelvin’s age is 26 years. How many years ago was Kelvin’s age half of Joan’s age ?
Uploaded: March 17, 2021, 5:31 p.m.
Duration: 1 min 2 s
Description: Joan’s age is 42 years and Kelvin’s age is 26 years. How many years ago was Kelvin’s age half of Joan’s age ?

Solution

Assume x years ago,Kelvin’s age was half of Joan’s age

1/2(42-x) = 26-x

Solving the above equation,we get x=10 years

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Joan’s age is 42 years and Kelvin’s age is 26 years. How many years ago was Kelvin’s age half of Joan’s age ?

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