Showing multiple group values in one row

Hi how can I show multiple vaules in the same group row
(not sure if this is the right way to say it)

example
table( PalletNo, box weight, count)
Values
19,10,1
19,20,1
19,20,1
19,20,1

How do I querie this so that it will display
Pallet,   boxes,            sum(count)
19,        20x3  10x1,    4