Hi Let x and y represent the hourly rate respectively 12x + 5y = 446.40 10x + 3y = 348.48 -7.2x -3y = -267.84 |multiply 1st EQ by -3/5 to eliminate y 10x + 3y = 348.48 x = 80.64/2.8 = $28.80/hr is the hourly wage for the men and 10(28.80) + 3y = 348.48, y = $20.16 the hourly wage for the boys EQ 1: $345.60 + $100.80= $446.40 checks Wish You the Best in your Studies.