John has taken four (4) tests that have an average of 83. In order to bring his course grade up to a ‘B’, he will need to have a final average of 87. What will he need to average on his final two tests to achieve this grade? Choose the correct choice from the following answers:
A) 87	B) 90	C) 92	D) 95	E) 97
Traditional Method:   Total scored till now 83*4= 
<gadget id="calculator">83*4</gadget>
<output>332</output>
332   Total score to avg 87 in 6 tests= 87*6= 
<gadget id="calculator">87*6</gadget>
<output>522</output>
522   Total to be scored on 2 tests= 522-332= 
<gadget id="calculator">522-332</gadget>
<output>190</output>
190   Avg on 2 tests= 190/2= 
<gadget id="calculator">190/2</gadget>
<output>95</output>
95   Answer: 95
<result>D</result>
John has taken four (4) tests that have an average of 83. In order to bring his course grade up to a ‘B’, he will need to have a final average of 87. What will he need to average on his final two tests to achieve this grade?