A tennis racket takes 1 5 hours
of machine time and 3 hours of craftman’s time in its making while a cricket bat
takes 3 hour of machine time and 1 hour of craftman’s time In a day, the factory
has the availability of not more than 42 hours of machine time and 24 hours of
craftsman’s time (i) What number of rackets and bats must be made if  the factory is to work
at full capacity