" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2/3 - x
3/4 × x = 18,45 × 2/3
3/4 × x = 12,30 |:3/4
x = 12,30 : 3/4
x = 12,30 × 4/3
x = 16,40 zł
1/4-18,45 zł:3=6,15 zł
4/4-6,15 zł*4=24,60 zł
1/3-24,60 zł:3=8,20 zł
2/3-8,20zł *2=16,40 zł
2/3 kg -------------------- x zł
3/4x = 2/3*18,45
3/4x = 123/10 |:3/4
x = 82/5
x = 16,4 zł << tyle trzeba zapłacić
lub
18,45/3 = 6,15 << cena 1/4 kilograma
6,15*4 = 24,6 << cena 1 kilograma
24,6/3 = 8,2
8,2*2 = 16, 4 zł << cena 2/3 kg