Determine the Constant of Variation for the Stated Condition $c$ Varies Jointly as a And

Multiple Choice

Determine the constant of variation for the stated condition.
- $c$ varies jointly as a and $b$ , and $c = 2475$ when $a = 45$ and $b = 11$ .

A) $\mathrm { k } = 5$
B) $\mathrm { k } = \frac { 1 } { 9 }$
C) $\mathrm { k } = \frac { 1 } { 5 }$
D) $\mathrm { k } = 9$