Which two ratios form a proportion?
Responses
A 3 : 1 and 9 : 3
B 1 : 3 and 6 : 3
C 3 : 1 and 3 : 9
D 1 : 3 and 3 : 6
1 answer
B, 1 : 3 and 6 : 3
Responses
A 3 : 1 and 9 : 3
B 1 : 3 and 6 : 3
C 3 : 1 and 3 : 9
D 1 : 3 and 3 : 6
1 answer