100 is increased by 50%. Find the final number.
Answers:  A) 100  B) 110  C) 150  D) 155  E) 160
Final number = Initial number + 50%(original number) = 100 + 50%(100) = 100 + 50= 
<gadget id="calculator">100 + 50</gadget>
<output>150</output>
150.   Answer 150
<result>C</result>
100 is increased by 50%. Find the final number.