1) (120 + 130) / 50 = 250 / 50 = 5
2) (1000 / 250) x 2 = 4 x 2 = 8
3) 440 / (2 x 2) = 440 / 4 = 110
4) 1000 / (32 + 68) = 1000 / 100 = 10
5) 210 / (20 + 50) = 210 / 70 = 3
1) (120 + 130) / 50 = 250 / 50 = 5
2) (1000 / 250) x 2 = 4 x 2 = 8
3) 440 / (2 x 2) = 440 / 4 = 110
4) 1000 / (32 + 68) = 1000 / 100 = 10
5) 210 / (20 + 50) = 210 / 70 = 3