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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 :

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

45 + 2X = 153

2X = 108

X = 54 centimeters

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