Solve for the Indicated Variable $\frac { 1 } { \mathrm {~A} } = \frac { 1 } { \mathrm {~m} } + \frac { 1 } { \mathrm { t } }$

question 259

Multiple Choice

Solve for the indicated variable.
- $\frac { 1 } { \mathrm {~A} } = \frac { 1 } { \mathrm {~m} } + \frac { 1 } { \mathrm { t } }$ , for $\mathrm { t }$

• A) \(t = \frac { m - A } { m A }\)
• B) \(t = 1 + \frac { m A } { m - A }\)
• C) \(t = 2 - \frac { m A } { m - A }\)
• D) \(t = \frac { m A } { m - A }\)

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