Question

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

Answer 1

on the second year:6x2 =12

third year:12x2=24

fourth year:24x2=48

total;12+24+48=84