How many times the keys of a writer have to be pressed in order to write first 150 counting no's?  Choose one:
A) 342  B) 352  C) 362  D) 372  E) 382
1 to 9 = 9 * 1= 
<gadget id="calculator">9 * 1</gadget>
<output>9</output>
9   10 to 99= 90 * 2= 
<gadget id="calculator">90 * 2</gadget>
<output>180</output>
180   100 to 150= 51 * 3= 
<gadget id="calculator">51 * 3</gadget>
<output>153</output>
153   -----------   342   342
<result>A</result>
How many times the keys of a writer have to be pressed in order to write first 150 counting no's?