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| − | Can someone help me with #20d. Does it mean a positive integer under 1000 that is divisible by only the numbers 7 and 11? | + | Can someone help me with #20d. Does it mean a positive integer under 1000 that is divisible by only the numbers 7 and 11? |
| + | ^***YES*** | ||
Revision as of 13:32, 26 January 2010
Can someone help me with #20d. Does it mean a positive integer under 1000 that is divisible by only the numbers 7 and 11? ^***YES***
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Can anybody help me out with 30h. Does the book mean only starts OR ends with BO or does it include the one the starts with AND ends with BO?
It wants to know starts OR ends with BO. Think of the equation for union for this problem. That being, # that start with BO + # that end with BO - # that start and end with BO.
