Which Pair of Ratios Forms a Proportion?
A) $\frac { 70 } { 60 } , \frac { 28 } { 18 }$

Multiple Choice

Which pair of ratios forms a proportion?

A) $\frac { 70 } { 60 } , \frac { 28 } { 18 }$
B) $\frac { 14 } { 18 } , \frac { 28 } { 24 }$
C) $\frac { 70 } { 60 } , \frac { 21 } { 18 }$
D) $\frac { 15 } { 17 } , \frac { 3 } { 5 }$
E) $\frac { 3 } { 4 } , \frac { 4 } { 3 }$