Msaada; Nina swali la Physics hapa katika Mada ya Density

Ukitumia simultaneous equations itapendeza
 
Huu ni uhaini wa elimu ya Tanzania mkuu!! Upaje mtu majibu wakati hajaonyesha hata alipofanya akakwama!??

Ulichofanya ni kitendo cha kijinga sana na kibaya kwa mustakabali wa elimu yetu!!!
Mkuu tumemsaidia kwa leo tu siku nyingine lazima aoneshe jitihada zake kwanza
 
Density of mixture =mass of mixture /volume of mixture
 
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