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This graph shows the linear relationship between the time in seconds, $x$, for Caroline's walk and the distance in meters, $y$, Caroline is from her starting point. The graph passes through the point $(20,30)$. According to the graph, how many meters will Caroline walk in exactly one hour?

 Aug 6, 2020
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When Caroline walks 20 seconds, she walked 30 meters.

Each hour has 3600 seconds, which is 180 repetitions of 20 seconds. So she walked 180 repetitions of 30 meters, which is 5400 meters

 Dec 24, 2020

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