Lets say that Autumn's current age is:

That means Jamal's age =

In 4 years:
Autumn's age is:

Jamal's age is:

(you add 4 because in 4 years, they will be four years older)
Now that we've worked out their ages in 4 years, we can form an equation, and solve. Because their ages now add up to be equal to 72:




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So Autumns age is: 21 and
Jamal's age is: 21 + 22 = 43
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Answer:
Autumn = 21 years old
Jamal = 43 years old
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If you have any questions, don't hesitate to ask