Assume that traffic flows freely through the intersections A, B, C, and D. The values X, X,, x;, and x, and the other numbers in the figure represent flow rates in vehicles per hour. 376 429 216 294 251 341 281 346 Part: 0 / 2 Part 1 of 2 (a) Assume that traffic flows at a rate of 210 vehicles per hour on the stretch of road between intersections D and A. Find the flow rates X], Xy, and X3. X1 = vehicles per hour = vehicles per hour * = vehicles per hour