Brooke is a high school graduate and makes $28,150 annually as an office assistant. Jake is acollege graduate and makes $31,380 annually as acustomer service manager at a clothing store. what is the difference in salary after 5 years?

Quite simple, actually ...

So,

Brooke makes $28,150 per year ... so ... to find 5 years ... take ...

28,150*5=140,750, after 5 years, Brooke makes this much.

Also, for, Jake ... take ...

31,380*5=156,900

after 5 years, Jake makes this much.

To see how much Jake earns more than Brooke ... take.

156,900-140,750=16,150

Jake earns $16,150 more than Brooke.