Question
In the Netherlands, there are on average 3 days of sun, 7 days of cloudy weather and 4 days of rain in a period of 14 days. An ice cream firm wins 65 euros a day in sunny weather, 10 euros in cloudy weather and loses 15 euros in rainy weather. Calculate the average profit per day for that company
Answers
oobleck
just do the weighted sum:
3/14 * 65 + 7/14 * 10 - 4/14 * 7 = ____
3/14 * 65 + 7/14 * 10 - 4/14 * 7 = ____