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Mathematics 16 Online
OpenStudy (anonymous):

Tickets for a raffle are numbered consecutively. If John sold tickets numbered 67 through 186, inclusive, how many tickets did he sell?

OpenStudy (anonymous):

What have you tried so far?

OpenStudy (anonymous):

subtract 67 from 186 ?

OpenStudy (anonymous):

Okay. Let's think about the problem using a smaller data set. Inclusive means including the end numbers of the interval in your count. So say he has sold tickets 1 through 3, inclusively. That would be ticket one, ticket two, and ticket three. This adds up to three total tickets sold. The same is true for selling tickets 2 through 4, inclusively. Do you see a pattern here?

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