Answer: 302 Step-by-step explanation: 45 pages per hour X 4 hours = 180 pages in total 180 + 122 = 302 so 302 pages in total 'please can i have brainliest? i need it for my goal'
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Given mass=1 kg, volume=400cm³, density=? The formula for finding density is ρ=m/v where ρ is density, m is volume and vis volume ρ=1kg/400cm³ ρ=0.0025kg/cm³ Therefore the density of the sand is 0.0025kg/cm³
