The method of comparison by division is known as a proportion.
True
False
What is the simplest form of the ratio $$\frac{2}{5}:\frac{3}{10}$$?
3 : 4
4 : 3
15 : 20
20 : 15
Match the ratios with their simplified forms.
35 : 75
18 : 24
2 kg : 3,000 g
10 cm : 1 m
6 h : 60 min
7 : 15
3 : 4
2 : 3
1 : 10
6 : 1
2 : 1
1 : 500
1 : 2