Lizzy: There are 20 boys and 11 girls in the second grade and twice that number in the third grade. How many students are in grades 2 and 3?.
Me: Hmmm, let me think. I think this is the detailed solution:
User
There are 20 + 11 = 31 students in second grade. There are 31 x 2 = 62 students in third grade. In total, there are 31 + 62 = 93 students. Final answer: 93.
Assistant