Question 715650
{{{h}}} = height of the coconut tree (in feet)
The time (in minutes) that Romy needs to climb to the top of the coconut tree is
{{{h/10}}} .
The time (in minutes) that Romy needs to get down from the top of the coconut tree is
{{{h/20}}}
{{{h/10+h/20=3}}} --> {{{2h/20+h/20+3}}} --> {{{3h/20=3}}} --> {{{3h=3*20}}} --> {{{h=3*20/3}}} --> {{{highlight(h=20)}}}
The height of the coconut tree is {{{highlight(20)}}} feet.