Step 1 Find the perimetre= (9690+5908) x 2= 31.196m
Step 2 Gross area = 31.196m x 2.7 = 84.23m ^ 2
Step 3 Total area of openings = 13.08m ^2
Step 4 Nett area of walls = 84.23-13.08= 71.15m^2
Step 5 Cover of the boards= 1 / 0.205 = 4.88 boards per squate metre
Step 6 Metres of boards requierd = 71.15 / 0.205 = 347.07 metres
Step 7 Add waste = 347.07 x 1.07 = 371.36 metres
Step 8 Find the cost= $2.20 x 371.36 = $817.00
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