Fifteen K means fifteen thousand. This is typically a number symbol that is seen when someone is talking about money.
$15K
15000 ...
15k
15k
15k
12 to 15k per day
536.00 dollars
15K only
From 15k to 120k DOE and area worked in.
Fully restored 12k to 15k
About 1250 before taxes
With appropriate training, you may be able to run a 15K.