4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 6 mat-weavers in 6 days?
Choose the correct option
A) 25
B) 9
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	:	6 :: 4 : x   Days	4:6   4 * 4 * x = 6 * 6 * 4   x =	(6 * 6 * 4)/(4 x 4)   x = 9.   Answer is 9.
<result>B</result>
4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 6 mat-weavers in 6 days?