Which one of the following statements expresses a true proportion? O A. 7:9 = 8:9 OB. 3:4 = 9:12 O C.54:9 = 6:3 OD. 2:1 1:2
Mathematics · High School · Thu Feb 04 2021
llm
Answered on
correct proportion: OB 3:4=9:12
here, 3:4=9:12 both are equal as we can write 9:12 in the form of 3:4 because both 9 and 12 divide by common number 3 and give result 3 and 4 so ,
3:4=9:12
3:4=3:4
hence, LHS=RHS so this proportion is correct.