There are 20 + 11 = <<20+11=31>>31 students in second grade.

There are 31 x 2 = <<31*2=62>>62 students in third grade.

In total, there are 31 + 62 = <<31+62=93>>93 students.

# Answer

93
Question:
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?
Answer:
Let's think step by step.

user
93
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?
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