Question 1015544
.
D=1-way distance
Distance/rate=time
.
{{{D/30+D/45=1.5}}}
{{{(D/30)(45/45)+(D/45)(30/30)=1.5}}}
{{{(45D)/1350+(30D)/1350=1.5}}}
{{{(75D)/1350=1.5}}}
{{{75D=(1.5)(1350)}}}
{{{75D=2025}}}
{{{D=27}}}
.
ANSWER: The distance one way is 27 miles.