Bill and Dave collect baseball cards. They have 111 cards in total. Dave has twice as Bill. how many cards does each of them hav
1 answer:
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For this case we must simplify the following expression
We know that, by definition:
So, rewriting the expression we have:
We add similar terms taking into account that:
- Equal signs are added and the same sign is placed.
- Different signs are subtracted and the major's sign is placed:
Answer: