Why was mary hays important during the battle of monmouth?

Her nickname was Molly Pitcher because she carried pitchers of water to soldiers, but during the battle she took over the operation of her husbands cannon. 

There are 375 star stickers and 125 heart stickers.

There are 500 stickers with 20 stickers per sheet; 500/20 = 25 sheets of stickers.

25% of each sheet is hearts; 25/100(20) = 5 heart stickers per sheet.  5(25) = 125 total heart stickers.

20 stickers per sheet - 5 heart stickers per sheet = 15 star stickers per sheet.  15(25) = 375 total star stickers.