Solving inequalities is just like solving any other Algebraic problem...look to P.E.M.D.A.S. (Parenthesis, Exponents, Division, Addition, Subtraction). So lets take a look at this problem now.
1200 + 0.075x

3300
Subtract 1200 from both sides...
0.075x

2100
Now divide by 0.075...
x

28000
NOTE: If you divide or multiple by a negative number while solving inequalities, you must flip the sign. Ex: You answer would be x

28000 if you would've multiplied or divided by a negative.
B is slowly and A is filling more quickly because the amount of water increases during a smaller period of time.
Formula:





(There are two sides for the length)


(There are two sides for the width)
The width of the desk is 15 inches
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-Geekhawk
3000
/ 270
______
11.111111111111111111111111r
r = reoccurring