Mathematics, 23.07.2019 18:00 reneebrown017

Jamal watches his older brother robert lift weights. the bar alone had a mass of 20 kg. on the bar he had two 11.4 kg weights two 4.5 kg weight and four 450 g weights. what mass what's robert lifting

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