I'm not the smartest but um does anybody know what my teacher means by this? Do I do all the evens or:

"You dont need to do ALL the evens...do EVERY OTHER EVEN, that way there are only 15 problems"​

Im not the smartest but um does anybody know what my teacher means by this Do I do all the evens orYou dont need to do ALL the evensdo EVERY OTHER EVEN that way class=