help please

Question

A store owner is arranging clothes on a rack.  She has 30 sweaters, 45 shirts, and 15 jeans.  She want s to put the same number of items on each rack, with only one type of item on each.  How many items can she out on a rack?

Answer 1

There are 30+45+15=90 items in all.
If she has 6 racks she can use two for 15 sweaters on each rack, three for 15 shirts on each rack, and one rack for all 15 jeans.
So she can put 15 of the same items on each of 6 racks.

Answer 2

90 put on the rack