10.1 0.2 Mathematics/P1 ● ● ● O ● ● ● Exercise 1 111 11, 5₁ -1₁ - 35 participate in a 10km (T) race. 40 like to run half-marathon (H) races. 35 athletes took part in marathon (M) races. 18 run the 10km and the marathon. 21 run half-marathon and marathon races. 65 athletes run at least one of the races. 9 like to run all three races. TS/Novem x athletes ran the 10km and half-marathon, but not the marathon. Show the information in a Venn diagram. Calculate the value of x, the number of athletes who ran the 10km and half-marathon, but not the marathon.​