Four classses

Students of all 7, 8, and 9 classes in one school may take up 4, 5, 6, and 7 abreast, and nobody will be left. If there are always four classes in each grade, what is the average number of pupils in one class?

Final Answer:

n =  35

Step-by-step explanation:

4=22 5 ...  prime number 6=23 7 ...  prime number LCM(4,5,6,7)=22357=420  a=LCM(4,5,6,7)=420  n=3 4a=3 4420=35



Help us improve! If you spot a mistake, please let let us know. Thank you!







Tips for related online calculators
Do you want to calculate the least common multiple of two or more numbers?

You need to know the following knowledge to solve this word math problem:

Related math problems and questions: