 
Ameenah J. answered  02/13/17
Tutor
                    
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            Patient, Easy-going Doctoral Student for Test Prep and Study Skills
Regardless of color, all of her items are apples. Therefore, you can add them together freely.
4 GREEN + 5 RED = 9 APPLES
I hope this was what you were asking!
Ameenah
     
     
             
                     
                    