MY DOGS HAVE 18 MORE LEGS THAN NOSES. HOW MANY DOGS DO I HAVE

23. - DE THI TOAN QUOC TE KANGAROO NAM 2016 DE KHAO SAT CO DAP AN
DE THI TOAN QUOC TE KANGAROO NAM 2016 DE KHAO SAT CO DAP AN

23. My dogs have 18 more legs than noses. How many dogs do I have?

(A) 4 (B) 5 (C) 6 (D) 8 (E) 9