The legs of a isosceles triangle are 0.3 foot less then twice the base . The perimeter of the triangle is 4.9 feet . 
 A: 1.1 feet 
 B:1.4 feet 
 C.1.9 feet 
 D2.2 feet 
                                             
                                          
                                          
                                        
											 
			                  