Worker 4 solved 3 (out of 30) tasks totalling 5 units of work
Worker 2 solved 4 (out of 30) tasks totalling 5 units of work
Worker 5 solved 4 (out of 30) tasks totalling 6 units of work
Worker 7 solved 4 (out of 30) tasks totalling 6 units of work
Worker 3 solved 6 (out of 30) tasks totalling 7 units of work
Worker 6 solved 3 (out of 30) tasks totalling 7 units of work
Worker 1 solved 6 (out of 30) tasks totalling 7 units of work