What is the solution to the equation represented by the model below? 3 x tiles and 8 positive 1 tiles = 4 x tiles and 6 positive 1 tiles x = negative 14 x = negative 2 x = 2 x = 14

Select the correct answer. joshua likes to read. he read 6 books when he was 6 years old. every year he doubled the number of books he read the previous year. how many total books did he read between the ages of 6 and 10? a. 60 b. 90 c.186 d.187