4 weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 12 weavers in 12 days?  Choose the correct choice:
A) 12  B) 18  C) 24  D) 30  E) 36

Rationale: "1 weaver can weave 1 mat in 4 days . 12 weavers can weave 12 mats in 4 days . 12 weavers can weave 36 mats in 12 days . the answer is e ."
Answer: E