Answer:
30 blue pins
Step-by-step explanation:
30% is the same as 30 out of 100, so this can be written in this fraction: 
now, you should multiply this fraction by the total number of pins she ordered:
100 x 
to solve this, you can simplify by dividing 100 by 100, this equals 1
30 times 1 is 30
there are 30 blue pins
Since the square has 4 sides, you only have to add

four times.
The <span>perimeter of the square is: </span><span>

cm </span>
Of each ones place.... Or ... The sum of each number? Just trying to help.....
The answer is A. -7/40.
1. Make sure the (the denominators) are the same
2. Subtract the (the numerators). Put the answer over the same denominator.
<span> 3. Simplify the fraction (if needed)
</span>