Question

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Answer 1

3 cans

Explanation:

area 1=.9×.3=.27 m²

area2=1/2×0.5×0.5=0.25/2=0.125 m²

total area=0.27+0.125=0.395 m²

area of 6 signs=0.395×6=2.370 m²

total cans reqd.=2.37/1=2.37

so 3 cans are reqd.