If there were originally 12 pens on the table and you took 3, then you would have 3 pens in your possession.
In 4 boxes there are a total of 48 pens. Divide 48 by 4 and this will give you how many pens are in 1 box. 48/4 = 12. To find how many pens are in 9 boxes multiply 12 by 9. 12x9 = 108. There are 108 pens in 12 boxes
14
10-12
2/3
Three.
There are typically 12 pens in a standard box.
In 4 boxes there are a total of 48 pens. Divide 48 by 4 and this will give you how many pens are in 1 box. 48/4 = 12. To find how many pens are in 9 boxes multiply 12 by 9. 12x9 = 108. There are 108 pens in 12 boxes
If 8/11 pens are blue, then 3/11 are black. There are 12 black pens, so 12/(3/11) = 44. So there are 44 pens total. 44 * (8/11) tells us that 32 pens are black.
12 pens @ 12¢ each = 144¢ = $1.44
12 this season
12 pens
12 x 3 = 36 12 x 8 = 96 96 - 36 = 60 there are 60 blue pens in the box.
12
12 knights
12
Two ADDITIONAL times (12 x 1 = 12 and 1 x 12 = 12)
12-15