4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 12 mat-weavers in 12 days? Choose the correct choice from the following choices:  A) 25  B) 19  C) 39  D) 61  E) 36
Let the required number of bottles be x.   More weavers, More mats (Direct Proportion)   More days, More mats (Direct Proportion)   Wavers	4	:	12 :: 4 : x   Days	4:12   4 * 4 * x = 12 * 12 * 4   x =	(12 * 12 * 4)/(4 x 4)   x = 36.   Answer is 36.
<result>E</result>
4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 12 mat-weavers in 12 days?