<PRE><B>Question 730830</B>
Hours by car = c
Hourss by bike = b


Which Vehicle___________speed___________time hours____________distance miles
car_____________________12 mph__________c_____________________12c
bike____________________4 mph___________b_____________________4b
TOTAL___________________________________3_____________________24


Develop the system from that data.  Convert c and b into their equivalents in minutes.


EDITING:  What I should have said was, develop the system from that data.  Solve the system for b and c.  Convert b and c into their equivalents in minutes.


The system to solve is:
{{{highlight(c+b=3)}}}
{{{highlight(12c+4b=24)}}}</PRE>