Selena and Martin are waiting at the bus stop.  The number line shows the number of minutes, t, Selena and Martin each expect to wait. a)  Who expects to wait longer? Justify your response with a mathematical explanation. Selena's Expected (wait time) ___|_____|____|____|____|_____|_____|______|____|_____|_____|____    10     11   12   13   14     15    16      17   18     19    20 The number 15 is a closed circle.   Martin's expected (wait time) ___|_____|____|____|_____|_____|_____|______|_____|_____|_____|________    10     11   12   13     14    15     16      17    18    19     20 The number 15 is an open circle.

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