25/100 x 250

= $62.50 is 25% of $250

250 - 62.50

= $187.50

Therefore, the marked down price is $187.50

**Answer:**

81pi

**Step-by-step explanation:**

You are asking yourself the area of pi*r^2 could with r as 9. pi*9^2. solve and you get 81pi :D

**Answer:**

11/10

**Step-by-step explanation:**

**Answer:**

what are we to find exactly bcoz I can't see anything question being ask here

First one

remember

a/b=c/d also can be written as

ad=bc

so

first one can be rewritten as

3x=96

divide both sides by 3

x=32

2nd ones we can just times both sides by 5 to get

x=50/12

3rd one we times 12 both sides to get

x=8

4th one we translate to

4x=63

divide by 4

x=63/4

5th one we translate to

99=5x

divide by 5

99/5=x

6th one we times 21 both sides

6=x

7th one we times both sides by 16

14=x

last one we translate to

45=3x

divide 3

15=x