asked 42.8k views
3 votes
greg has building blocks.his sister gives him 17 more blocks. he uses 38 blocks to make a tower.how many blocks are not used in the tower?

asked
User Zelazowy
by
7.2k points

1 Answer

5 votes
21 blocks, because if he uses 38 you subtract 17 and you get 21

answered
User Joseph Anderson
by
8.1k points

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