Find the product of the greatest common divisor and the least common multiple of 18 and 42.
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Using a system of equations, it is found that Ajay is 25 years old today.
<h3>What is a system of equations?</h3>A system of equations is when two or more variables are related, and equations are built to find the values of each variable.
In this problem, the variables are:
- Variable x: Wale's age.
- Variable y: Ajay's age.
Wale was twice as old as Ajay 10 years back, hence:
Wale will be 40 years old in 10 years, hence:
Then, Ajay's present age is found as follows.
You can learn more about system of equations at brainly.com/question/14183076