4 is the least the amount of sides the polygon can have
Ariane feeds the kitten twice in the morning and twice in the evening. That's a total of 4 times. If each time she feeds them k grams, she feeds the kitten a total of
Similarly, she feeds the dog once in the morning and once in the evening. That's a total of two times. If each times she feeds the dog d grams of food, she feeds
grams of food to the dog.
So, the total is grams of food each day.
90%
Because if you reduce the fraction 180/200 you get 90/100 or 90%