the 2nd pole is 20m away
the 3rd is 40m
and so on
every 20m along a street there are lamppost from beginning to end.
a) the street is 800m long. How many lamppost are there on the street?
b) how many 20m spaces are there along the street?
c) Frankie lives between the lampost 21 and 22. How far from the beginning of the road does his property begin?
1 answer