Answer:
The whale will take approximately 20.27 hours to travel 152 kilometers.
Step-by-step explanation:
To calculate the hours that the whale take to travel 152 kilometers, we can calculate the hours using both of the speeds and dividing it by the distance, or take an average speed and the divide it by the distance.
The first one is:
[tex]\frac{152}{7} =21.71 hours\\\frac{152}{8} =19.00hours[/tex]
So the whale will take between 19 and 21.71 hours to travel 152 kilometers.
The second one:
[tex]\frac{8+7}{2} =7.50\\\frac{152}{7.50}=20.27hours[/tex]
So the whale will take approximately 20.27 hours to travel 152 kilometers.
