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1) Which ratio is different from the others? *
A. 7 to 8
B. 7 : 8
C. 7/8
D. 8: 7
2-3) In a market there are 15 male and 30 female vendors. the ratio of male to female is ____. *
A. 2 to 1
B. 2/1
C. 30 : 15
D. 1 : 2