Question

Suppose there is a row of lockers numbered 1 through 50 with all the doors closed. A student is going to walk up and down the lockers opening and closing the locker doors. If a door the student will open it, and if it is open, it will be closed. If the student starts with multiples of 1, and continues through multiples of 50. How many lockers are open when the student is finished?

Answer 1

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Answer 2

answer is 7

Answer 3

how did you get that?

Answer 4

can pls give me the solution thanks.

Answer 5

\[\sqrt{50}\]

Answer 6

round off

Answer 7

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Answer 8

it ahs exact solution