Mathematics
4.46 M Players
Erin reads an average of 20 books per year. She read 23, 17, 20, and 19 books in four different years. How many books did Erin read in the 5th year to make it an average of exactly 20.0 per year?
The dog is eight times shorter than the giraffe which is 14 feet taller than the dog. Find the height of the dog.