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:
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
We know that there are 3 feet in one yard. So, to find out how many yards is equivalent to 16 feet, we must divide this number by 3.
16/3 or 5 1/3
Therefore, 16 feet is equal to 16/3 or 5 1/3 yards.
Hope this helps!
Answer: Direct proportion because as the time goes up the distance goes up