5:10, 20:4. 9:10, 45:40. 1:16, 3:18. 1:16, 1:8, 2:18.
Which of these forms a proportion
The pairs of numbers that form a proportion are:
5:10, 9:10
3:18, 1:6
which set
The set that forms a proportion is 5:10, 9:10.
which set forms a proportion:
A. 5:10, 20:40.
B. 9:10, 45:40.
C. 1:16, 3:18.
D: 1:8, 2:18