3. If on one scale to put Dasha who weighs 45 kg, and Natasha who weighs 8 kg less, and on another to fill 89 kg of different candies, then how many kg of candies unfortunate girls that scales appeared in balance should eat?

63
Dasha and Natasha weigh together: 45 + 45 - 8 = 82 kg That scales were counterbalanced to girls it is necessary to eat: 89 - 82 = 7 kg konfet1) 45-8=37 (kg.) - the nyunatasha weighs. 2) 45+37=82 (kg.) - Dasha and Natasha together weigh. 3) 89-82=7 (kg.) - candies girls should eat. Answer: girls should eat 7 kg. candies.
176
Answer add