Mathematics
DaniellSones985
2016-04-21 07:32:42
Dana and Terri both start jogging south from the same place at the same time. After half an hour, Dana is farther south than Terri. They are less than a mile apart when they stop jogging. Which inequality models the situation? 0.5x – y < 1 0.5x – 0.5y < 1 0.5x + y < 1 0.5x + 0.5y < 1
ANSWERS
Branda208
2016-04-21 11:03:58

1. 390 = 1.5x – 1.5y  2. 75 = 4x + 4y  3. 0.5x – 0.5y < 1  4. Dana: 6 mph, Terri: 5 mph  Dana: 5.5 mph, Terri: 5 mph

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