## Algebra: A Combined Approach (4th Edition)

T = $\frac{D}{R}$
Since D = RT, Dividing both sides by R, $\frac{D}{R}$ = $\frac{RT}{R}$ Since $\frac{R}{R}$ =1, $\frac{D}{R}$ = $\frac{T(1)}{1}$ = T Thus T = $\frac{D}{R}$