Calculate the area of land in hectares.
Note: 10000m^2 = 1hectares
if the school plan to cultivate plantain at the spacing of 4m * 4m of 80% of the land and pineapple at a spacing of 2m * 2.5m on 20% of the land, Calculate the number of plantain and pineapple planting materials that would be required for the farm.
Please help me.
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