The table shows the number of yards of ribbon needed to make different numbers of bows. 
Which equation shows the relationship between the number of bows, b and the number of yards of ribbon needed, r? 
A. r=b + 3
B. r= b - 3 
C. r= b x 3
D. r= b / 3
                                             
                                          
                                          
                                        
											 
			                  