15 balls weigh 10 kg 50 g how many balls will be required for weighing 4 kg 690
15 balls weigh 10.050 kg
1 ball weights 10.05/15 = .67 kg
x balls weigh 4.690 kg
x/1 = 4.690.67 = 7
1 ball weights 10.05/15 = .67 kg
x balls weigh 4.690 kg
x/1 = 4.690.67 = 7