How many positive three-digit integers with a 5 in the units place are divisible by 15?
The answer is 27:
105
135
165
195
225
255
285
315
345
405
435
465
495
525
555
585
615
645
705
735
765
795
825
855
885
915
945
27 =
Unfortunately, that is incorrect, as you are missing 375, 675, and 975.
