Question 1043829
[ 50 people/min ] x [ 7 min ] = [ 350 people ]
{{{ 50*7 = 350 }}} people
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{{{ .8*50 = 40 }}} people/min
{{{ 40*3 = 120 }}} people
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{{{ .5*40 = 20 }}} people/min
{{{ 20*2 = 40 }}} people
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{{{ 350 + 120 + 40 = 510 }}}
510 people passed by