James splits 4 packs of stickers that have 30 stickers each. Each sticker cost $.10. If his friend pays for half how much did James pay? Let's think first. Chain of thought:
He buys 4 * 30 = 120 stickers. That means it cost 120 * .1 = $12. So he pays 12 * .5 = $6.
Therefore, the answer is 6.