Mark M. answered • 09/22/16
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No, 13b - 12b = 1b, or usually b.
Think, you have 13 balls. You lose 13 balls, How many balls do you have?
Octavoo C.
asked • 09/22/16wouldn't it be b instead of 0
13b - 13b
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Octavoo, remember that b = 1b. It's like saying Bob instead of 1 Bob.
If there are 13 Bobs in the room and 13 Bobs leave, is Bob left?
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