Asked by indira

A rectangular savannah is 30m long by 15m wide. The Ministry of Education wants to fence that savannah using posts and wire. If the posts, costing $18.00 each, are placed 5m apart andt the wire cost $35.00 per metre. Calculate the cost of the posts and wire for fencing that savannah.
Answered by Tom
Along the length there will be 7 posts on each side. The width will only need one post each. 7x2 + 1x2 = 16 posts total
The length of the fence is the perimeter of the rectangle.
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