Oblicz: A) 22% z 200 zł b) 8% z 80 dag c) 20% z 24 godzin d) 25% z 250 m e) 2% z 2000 mm2 f) 40% z 1200 ha g) 13% z 26 m3 h) 33% z 46 hl i) 48% z 50 kg Daje Naj ! ;)
baster2A) 22% z 200 zł = 22/100 * 200 = 22 * 2 = 44 zł b) 8% z 80 dag = 8/100 * 80 = 8/10 * 8 = 64/10 = 6,4 dag c) 20% z 24 godzin = 20/100 * 24 = 2/10 * 24 = 48/10 = 4,8 h = 4 h 48 min d) 25% z 250 m = 25/100 * 250 = 1/4 * 250 = 250/4 = 62 1/2 = 62,5 m e) 2% z 2000 mm2 = 2/100 * 2000 = 2*20 = 40 mm2 f) 40% z 1200 ha = 40/100 * 1200 = 40 * 12 = 480 ha g) 13% z 26 m3 = 13/100 * 26 = 338/100 = 3,38 m3 h) 33% z 46 hl = 33/100 * 46 = 1518/100 = 15,18 hl i) 48% z 50 kg = 48/100 * 50 = 48/2 = 24 kg
b) 8% z 80 dag = 8/100 * 80 = 8/10 * 8 = 64/10 = 6,4 dag
c) 20% z 24 godzin = 20/100 * 24 = 2/10 * 24 = 48/10 = 4,8 h = 4 h 48 min
d) 25% z 250 m = 25/100 * 250 = 1/4 * 250 = 250/4 = 62 1/2 = 62,5 m
e) 2% z 2000 mm2 = 2/100 * 2000 = 2*20 = 40 mm2
f) 40% z 1200 ha = 40/100 * 1200 = 40 * 12 = 480 ha
g) 13% z 26 m3 = 13/100 * 26 = 338/100 = 3,38 m3
h) 33% z 46 hl = 33/100 * 46 = 1518/100 = 15,18 hl
i) 48% z 50 kg = 48/100 * 50 = 48/2 = 24 kg