Zaachary had ten more super hero stickers than andrew, so he gave andrew half of his stickers. then andrew had more stickers than zachary, so he gave zachary four stickers. then they both had thirteen stickers. how many stickers did each boy have originally?

Number of stickers with Andrew= 8

and

Number of stickers with Zachary= 18

Let Andrew originally had: x stickers.

and Zachary had: (x+10) stickers.

( Since, Zachary had ten more super hero stickers than Andrew )

Now, Zachary gave Andrew half of his stickers )

i.e.

and

Then Andrew had more stickers than Zachary, so he gave Zachary four stickers.

Now,

and

Now, they both had 13 stickers.

i.e.

i.e.

Hence,

Number of stickers with Zachary= 18 stickers

( since, x+10=8+10=18 )

and

Number of stickers with Andrew= 8 stickers

the weight of the object inside the box!