If Tim had lunch at $50.50 and he gave 10% tip, how much did he spend?  Choose the correct answer.
A) $30.60
B) $60.60
C) $70.60
D) $55.55
E) $50.60
The tip is 20% of what he paid for lunch. Hence   tip = 20% of 50.50 = (10/100)*50.50= 
<gadget id="calculator">(10/100)*50.50</gadget>
<output>5.05</output>
$5.05   Total spent     50.50 + 5.05= 
<gadget id="calculator">  50.50 + 5.05</gadget>
<output>55.55</output>
$55.55   correct answer $55.55
<result>D</result>
If Tim had lunch at $50.50 and he gave 10% tip, how much did he spend?