Question 22
The diagram shows triangular tracks ABC and ABD from above. Both triangles are equilateral, and ABC has perimeter 168 metres. Matt runs A → B → C → A at 3 m/s. Jack runs A → B → D → A at 7 m/s. Starting together at A, how many seconds later will they first meet again at A?
Input: enter the requested whole-number answer without units. You may omit leading zeroes from the paper answer grid.
Input: enter the requested whole-number answer without units. You may omit leading zeroes from the paper answer grid.