4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 8 mat-weavers in 8 days?	Options:
A) 25
B) 19
C) 39
D) 61
E) 16
Let the required number of bottles be x.   More weavers, More mats (Direct Proportion)   More days, More mats (Direct Proportion)   Wavers	4	:	8 :: 4 : x   Days	4:8   4 * 4 * x = 8 * 8 * 4   x =	(8 * 8 * 4)/(4 x 4)   x = 16.   Answer is 16.
<result>E</result>
4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 8 mat-weavers in 8 days?