A math volume question?

2 ⤊

A room that is 5.0 metres by 2.5 by 2.5 contains 65 kilograms of air, find the volume denstiy.

how do you do this?

2007-09-17 09:28:20 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

V = 2.5 x 2.5 x 5 m ³
V = 31.25 m ³
Density
= 65 / 31.25 kg / m ³
= 2.08 kg / m ³

2007-09-17 11:04:31 · answer #1 · answered by Como 7 · 1⤊ 0⤋

volume = 5 x 2.5 x 2.5 = 31.25 m^3
density = mass/volume = 65 kg / 31.25 m^3
= 2.08 kg/m^3

2007-09-17 16:35:49 · answer #2 · answered by vlee1225 6 · 1⤊ 0⤋

PS- Air is about .0015 kg/m^3. This room must be HIGHLY compressed :-)

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2007-09-17 16:41:47 · answer #3 · answered by muddypuppyuk 5 · 0⤊ 1⤋