Devi comes to a new school and quickly adapts to the new environment. There are 30 classes in the school. Each class has 42 students. There are 644 girls in the school. How many boys are there in the school?
Question
Devi comes to a new school and quickly adapts to the new environment. There are 30 classes in the school. Each class has 42 students. There are 644 girls in the school. How many boys are there in the school?
Solution
Step 1: Find the total number of students in the school. Since each class has 42 students and there are 30 classes, multiply 42 by 30.
42 students/class * 30 classes = 1260 students
Step 2: Subtract the number of girls from the total number of students to find the number of boys.
1260 students - 644 girls = 616 boys
So, there are 616 boys in the school.
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