Tough and Tricky questions: Word Problems.
If Bill's salary increased by 16 percent, he would earn $812 per month. If instead, his salary were to increase by only 10 percent, how much money T would he earn per month?  Select the correct option.
A) $700	B) $754	C) $770	D) $782	E) $893
OFFICIAL SOLUTION:   (C) If Bill’s salary increased by 16% he would earn $812. Algebraically, this can be written as:   $812 = 1.16S, where S is his current salary.   Then S = $812/1.16= 
<gadget id="calculator">812/1.16</gadget>
<output>700</output>
$700.   Now that we know his current salary is $700, we can calculate what his salary would be if it were increased by 10%. We know that 10% of $700 is $70, so his salary would be:   T=$700 + $70 = $770.   The correct answer is choice ($770).700 +  70= 
<gadget id="calculator">700 +  70</gadget>
<output>770</output>
$770.   The correct answer is choice ($770).
<result>C</result>
Tough and Tricky questions: Word Problems.
If Bill's salary increased by 16 percent, he would earn $812 per month. If instead, his salary were to increase by only 10 percent, how much money T would he earn per month?