Question 716187
What part of a minute is 15 seconds?
{{{ 15/60 = 1/4 }}}
{{{ 1/4 = .25 }}}
So, 5 minutes and 15 seconds = {{{ 5.25 }}} min
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The copier makes
{{{ 168 / 5.25 }}} copies/min
{{{ 168 / 5.25 = 32 }}} copies/min