hey mates!♥️ please help me!!...♥️
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rb / ra = sqrt { Ma / Mb } = Vb Ta / Tb Va
sqrt { Ma / 36 } = Va x 150 / 200 x Va
sqrt { Ma / 36 } = 15 / 20 = 3 / 4
Ma / 36 = 9 / 16
Ma = 81 / 4
Ma = 20.2
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