Question

this fence has three posts,equally spaced .each post is 15 centimetres wide. the length of the fence is 153 centimetres. calculate the length of one gap between two posts

Answer 1

(3posts x 15 centimeters) + 2gaps x Xcentimeters = 153centimeters

45 + 2X = 153

2X = 108

X = 54 centimeters