Alex gets paid $500 a week and 10% of his weekly income is deducted as tax. He also pays his weekly water bill for $55 and gives away another 10% of his weekly income as a tithe. How much money does Alex have left?
His income tax is 10% of 500 which is 500*10% = $
<gadget id="calculator">500*10*.01</gadget>
<output>50</output>
50.
His tithe costs 10% of $500 which is 500*10% = $
<gadget id="calculator">500*10*.01</gadget>
<output>50</output>
50.
The total expenses are 50 + 55 + 50 = $155.
He is then left with $500 - $ 155= $
<gadget id="calculator">500-155</gadget>
<output>345</output>
345.

<result>345</result>