Question

Rational Expressions for Alegbra help

Answer 1

The instructions were you need to find a friend or family member in which you share a common activity that could be done faster by working together. The result is the rational expression 1/20 + 1/30 = 1/x . 1/x represents the amount of time it takes them to finish it together. Problem is I don't really know how to solve rational experssions so well, I know bits and pieces but would like someone to run me through it just to make sure

Answer 2

\[\frac{ 1 }{ 20} + \frac{ 1 }{ 30 } = \frac{ 1 }{ x }\]

Answer 3

simplify the left side

\[\frac{ 1 }{ 12 } = \frac{ 1 }{ x }\]