MATH
posted by Emily .
i need this as quick as possible please
Omar is building a straight fence, with posts one meter apart. If the fence is 13 meters long, how many fence posts does he need? If the fence is 13 meters long, how many fence posts does he need?

Probably 14. Do you know why?

no, why?

Draw yourself a line and put a dot where each fence post will go. Then count them.