4. Cross multiply (10•6) (15•n) 15n=60 you do the opposite operation so instead of multiply 15•n you divided 15 from n. And what u do on one side u do on both. So divide 15 from 60 and u get 4.
        
             
        
        
        
Answer:
idek
Step-by-step explanation:
idek
 
        
             
        
        
        
Answer:
832+609+5430=6871
Step-by-step explanation: