Question

Each row in a classroom has 3 girls and 2 boys. There are 4 rows in that class. Write a numerical expression to show the number of students in that class. (Use variable g for girls and b for boys)

Answer 1

12g+8b

Explanation:

There are 4 rows, and each row has 3 girls and 2 boys

4(3g+2b)

12g+8b