Question 556162
(1)
Rate is {{{ 250/5 = 50 }}} mi/hr
{{{ d = r*t }}}
{{{ 900 = 50t }}}
{{{ t = 18 }}} hrs
(2)
She makes 2 trips of {{{ 200 }}} mi each
{{{ 200*2 = 400 }}} mi
(3)
Average speed = ( total miles ) / ( total time )
{{{ 400/12 = 33.333 }}} mi/hr
(4)
Not sure about this
(5)
George:
{{{ 2.5/19 = .1316 }}} mi/min
Paul:
{{{ 10/60 = .1667 }}} mi/min
Kevin:
{{{ 3.1/24 = .1292 }}} mi/min
The fastest is Paul