Answer:

if a drum full of rice weighs 84 kg

and the empty drum is 12 kg

then ,

wieght of rice = 84 -12

= 72 kg

Answer:

72 kg

Step-by-step explanation:

if empty drum weighs 12 kg than the weight of drum=12kg

drum full of rice=84kg

weight of rice=total weight-weight of drum=84-12=72 kg

☺☺