On a mill brought at first 120 bags of grain, and then 52 more. Kogda a part of grain was ground, remained to not ground 7 t 8 c of grain. How many bags of grain ground if each bag holds 75 kg?

299

1) 120+52=172(m) brought on a mill 2) 172*75=12900 (kg) in all bags 3) 12900-7800=5100 (kg) ground grains 4) 5100:75=68(m) grains ground

391
Answer add