mathgirl1976
Jan 11, 2011, 01:41 PM
A bricklayers union agrees to furnish 50 bricklayers to a shoppiing mall builder. The bricklayers are classified in three categoreis according to skill; low medium and high. The total number of medium and high skilled bricklayers are to be at least 4X the number of low silled. The average number of bricks laid per hour for each skill level is low; 40 per hour, medium, 60 per hour and high, 75 per hour. The builder knows that the bricklayer crew must lay 3100 bricks per hour to remain on schedule : If the wages are $10, 15, & 18 per hour for low, medium and high skilled, respectively, how many of each type should be hired to minimize total hourly wages?