Each correct answer gives a number. Use the scrambled letter map to translate those numbers into letters. The five letters you uncover form an anagram – solve it to unlock the codeword. Round normally to get to a rational number, if needed.
3 = Y | 4 = N | 15 = E | 8 = C | 20 = A | 2 = R | 10 = L | 5 = I | 11 = T | 17 = X















