Let x be the total distance (the value under the question). Then you have this equation 2 kilometers ++ = x To solve it, multiply both sides by 3*4 = 12. You will get 2*12 + 8x + 3x = 12x. Simplify and solve for x : 24 + 11x = 12x 24 = 12x - 11x 24 = x ANSWER. The total distance is 24 kilometers.