Casey cycled at an average speed of 14 km/h from her house to the library. She left house at 08 25 and arrived at the library at 11 04. What was the distance from her house to the library?
Question
Casey cycled at an average speed of 14 km/h from her house to the library. She left house at 08 25 and arrived at the library at 11 04. What was the distance from her house to the library?
Solution
Primero, determinemos el tiempo total que Casey pasó en su viaje desde su casa hasta la biblioteca.
Hora de salida: 08:25 Hora de llegada: 11:04
Restamos la hora de salida de la hora de llegada:
11:04 - 08:25
Para hacer esto, primero convertimos ambas horas a minutos desde la medianoche:
08:25 = (8 * 60) + 25 = 480 + 25 = 505 minutos 11:04 = (11 * 60) + 4 = 660 + 4 = 664 minutos
Ahora restamos los minutos:
664 minutos - 505 minutos = 159 minutos
Casey estuvo en su viaje durante 159 minutos. Convertimos esto a horas dividiendo por 60:
159 minutos / 60 = 2.65 horas
Ahora, usamos la fórmula de distancia, que es:
Distancia = Velocidad * Tiempo
La velocidad promedio de Casey fue de 14 km/h y el tiempo fue de 2.65 horas. Entonces:
Distancia = 14 km/h * 2.65 horas = 37.1 km
Por lo tanto, la distancia desde la casa de Casey hasta la biblioteca es de 37.1 kilómetros.
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