Mathematics
1.76 M Players
When Josh was 8, his brother was half his age. Now that Josh is 14, how old is his brother?
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?