Christian 2t Taskie t Dark 2t-24
Let Taskie's age be T Then Christian's is 2T, and Dark's is 2T - 24 We then get:2T = 3T - 20 ------ Cross-multiplying 2T - 3T = - 20 - T = - 20 Taskie's age, or Christian's age: 2(20) = 40 Dark's age: 2(20) - 24 = 40 - 24 = 16