Mathematics
Mathematics, 20.10.2019 10:00, charismameeks

Jamel watched his older brother robert lift weights. the bar alone had a mass of 20 kg. on the bar he had tow 11.4 kg weights, two 4.5 kg weights , and four 450 g weights. what mass was robert lifting ?

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Jamel watched his older brother robert lift weights. the bar alone had a mass of 20 kg. on the bar h...

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