John has taken four (4) tests that have an average of 82. In order to bring his course grade up to a ‘B’, he will need to have a final average of 86. What will he need to average on his final two tests to achieve this grade?
Choose the correct option:
A) 87 B) 90 C) 92 D) 94 E) 97
Traditional Method:   Total scored till now 82*4= 
<gadget id="calculator">82*4</gadget>
<output>328</output>
328   Total score to avg 86 in 6 tests= 86*6= 
<gadget id="calculator">86*6</gadget>
<output>516</output>
516   Total to be scored on 2 tests= 516-328= 
<gadget id="calculator">516-328</gadget>
<output>188</output>
188   Avg on 2 tests= 188/2= 
<gadget id="calculator">188/2</gadget>
<output>94</output>
94   Answer: 94
<result>D</result>
John has taken four (4) tests that have an average of 82. In order to bring his course grade up to a ‘B’, he will need to have a final average of 86. What will he need to average on his final two tests to achieve this grade?