A brand of edible oil is marked with the words "5 liters, 4 kg", and the density of the edible oil is () kg / m3; To buy 1.5kg bulk of this kind of edible oil, you need 500ml mineral water bottle

From ρ = m / V to calculate the density of edible oil: ρ = m / v = 4000g / 5000cm & # 179; = 0.8g / cm & # 179; = 0.8 × 10 & # 179; kg / M & # 179;. From ρ = m / V to obtain v = m / ρ to calculate the volume of 1.5kg edible oil: V '= m' / ρ = 1500g / 0.8g/cm & # 179; = 1875cm & # 179;. From n = V '/ VO to calculate the need of mineral water bottle

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