2. If 5g of grass is required to cover an area of 1 m, then what weigh

1.	2. If 5g of grass is required to cover an area of 1 m, then what weight of grass in kg would be requiredto cover a football field of dimensions 120m x 90m?(a) 27 kg(b) 54 kg(c) 81 kg108 kg
Answer» mass of grass required is 5g/m² now area of field = 120×90 = 10800m² so total mass of grass = 10800*5 = 54000g in kg it is = 54000/1000 = 54kg option b thanks

2. If 5g of grass is required to cover an area of 1 m, then what weight of grass in kg would be requiredto cover a football field of dimensions 120m x 90m?(a) 27 kg(b) 54 kg(c) 81 kg108 kg

Answer»

mass of grass required is 5g/m²

now area of field = 120×90 = 10800m²

so total mass of grass = 10800*5 = 54000g

in kg it is = 54000/1000 = 54kg

option b

thanks