SOLUTION: Two bricklayers, Alan and David, each place 30 bricks per hour. Alan worked three times as many hours as David, and the two of them placed a total of 600 bricks. How many bricks di

Question 1095358: Two bricklayers, Alan and David, each place 30 bricks per hour. Alan worked three times as many hours as David, and the two of them placed a total of 600 bricks. How many bricks did David lay?
Answer by josgarithmetic(39628) (Show Source): You can put this solution on YOUR website!
David worked hours and Alan worked hours.

-----David worked 5 hours and laid 150 bricks.

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