Question

help please!



At george washington school the first student opened all 1,00 lockers.the next student opened all the even lockers. The third student opened all the lockers with multioles of threes. The fourth student changed all the lockers with multiples of 4. The fifth changed all with multiples of 5. Joey was the 1,000 student to enter he changed the lockers according to this patteren. Which lockers were left open after he was done?

Answer 1

Did you miss a zero in the first line? Just asking

Answer 2

should be 1,000

Answer 3

By changed, do you mean they open it if its closed and vice versa?

Answer 4

yes