SOLUTION: Solve the following problem algebraically. That is, set up an equation and solve it. Be sure to label clearly what the variable represents. A bricklayer can complete a wall in 7

Question 364018: Solve the following problem algebraically. That is, set up an equation and solve it. Be sure to label clearly what the variable represents.
A bricklayer can complete a wall in 7 days, whereas his assistant can do the same size wall in 3 days. Working together, how long will it take for them to complete the wall?
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
Let x = # days two of them would take to finish a wall. Then
,
,
, or 2.1 days.
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