Asked by Anonymous

Mrs. Murphy separates her class into groups of 4 students each, 1 student is left over. If she separates her class into groups of 5 students each, 2 students are left over. What is the least number of students the class could have?
Answered by Steve
4k+1 = 5n+2
4k = 5n+1
So, what multiple of 4 is 1 more than a multiple of 5?

k=4, n=3

So, 17 students.
Answered by yo mama
17
Answered by Bobby Fischer
-10 is the right answer. I am Albert Einstein's Great son.
Answered by hi
17
Answered by Ariana
17
Answered by Katie
17
Answered by Maddie
17
Answered by Anonymus
One way is to draw a diagram. But that makes you look not that smart. (Besides, it wastes time.)
Another way is to look for multiples. When you try it, you get 17 as an answer.
Answered by Steve's son
4k+1 = 5n+2
4k = 5n+1
So, what multiple of 4 is 1 more than a multiple of 5?

k=4, n=3

So, 17 students.
Answered by Haejun Lee
17 because I said so. I am doing a math Olympic in our school. Don’t think I cheated. I did this after I joined the math team.
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