4 weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 6 weavers in 6 days?	Choose the correct option:
A) 6 B) 9 C) 12 D) 15 E) 18

Rationale: 1 weaver can weave 1 mat in 4 days . 6 weavers can weave 6 mats in 4 days . 6 weavers can weave 9 mats in 6 days . the answer is b .
Answer: B