Question 885541
Your rate of cutting pipe is ( 1 pipe ) / ( 7 min )
Set up the ratio{
{{{ 1/7 = 50 / t }}} where {{{ t }}} = time in minutes
Multiply both sides by {{{ 7t }}}
{{{ t = 350 }}}
{{{ 350 / 60 = 5 + 5/6 }}}
{{{ (5/6)*60 = 50 }}} min
It will take 5 hrs and 50 min