Question 558719
{{{5/16 = m/20 }}}
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cross multiply
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{{{5*20 = m*16}}}
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{{{ 100 = 16m }}}
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divide both sides by 16
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{{{100/16 = (16m)/16 = m }}}
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{{{m = 100/16 = 25/4 = 6.25}}}
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Done.