a) 1:3
[tex]520 \div 3 = \frac{520}{3} = 173 \frac{1}{3} zl[/tex]b) 2:5
[tex]28 \times 2 \div 5 = 56 \div 5 = 11 \frac{1}{5} = 12.2t[/tex]
c) 3:7
[tex]13 \times 3 \div 7 = 39 \div 7 = \frac{39}{7} = 5 \frac{4}{7}m[/tex]
d) 1:2
[tex]300 \div 2 = 150l[/tex]
1:3
[tex]300 \div 3 = 100l[/tex]
e)2:3
[tex]1200 \times 2 \div 3 = 2400 \div 3 = 800km[/tex]
2:5
[tex]1200 \times 2 \div 5 = 2400 \div 5 = 580km[/tex]
f)2:5
[tex]28 \times 2 \div 5 = \frac{56}{5} = 11 \frac{1}{5} = 11.2dni[/tex]
2:7
[tex]28 \times 2 \div 7 = 56 \div 7 = 8dni[/tex]
