Read the Proportion and Name the Means and Extremes $$\frac { 20 } { b } = \frac { c } { 4 }$$

Read the proportion and name the means and extremes. $$\frac { 20 } { b } = \frac { c } { 4 }$$

A) The means are $4$ and $b$ . The extremes are $20$ and $c$ .
B) The means are $20$ and $b$ . The extremes are $4$ and $c$ .
C) The means are $20$ and $c$ . The extremes are $4$ and $b$ .
D) The means are $20$ and $4$ . The extremes are $b$ and $c$ .
E) The means are $b$ and $c$ . The extremes are $20$ and $4$ .