Zilla spent 7% of her monthly earnings on rent, half of it on her other monthly expenses, and put the rest in her savings. If she spent $133 on her rent, how much does she deposit into her savings account in a month?
Since $133 is equal to 7% of her earnings, then 1% is equal to $133/7 = $
<gadget id="calculator">133/7</gadget>
<output>19</output>
19.
The total monthly earning of Zilla is represented by 100%, so $19 x 100 = $
<gadget id="calculator">19*100</gadget>
<output>1_900</output>
1900 is her monthly earnings.
So, $1900/2 = $
<gadget id="calculator">1900/2</gadget>
<output>950</output>
950 is spent on her other monthly expenses.
The total amount spent on the rent and other monthly expenses is $133 + $950 = $
<gadget id="calculator">133+950</gadget>
<output>1_083</output>
1083.
Hence, she saves $1900 - $1083 = $
<gadget id="calculator">1900-1083</gadget>
<output>817</output>
817 per month.

<result>817</result>