Jerry’s average (arithmetic mean) score on the first 3 of 4 tests is 85. If Jerry wants to raise his average by 3 points, what score must he earn on the fourth test? Pick one
A) 97  B) 89  C) 90  D) 93  E) 95
Total score on 3 tests = 85*3= 
<gadget id="calculator">85*3</gadget>
<output>255</output>
255   Jerry wants the average to be= 88   Hence total score on 4 tests should be = 88*4= 
<gadget id="calculator">88*4</gadget>
<output>352</output>
352   Score required on the fourth test= 352 - 255= 
<gadget id="calculator">352 - 255</gadget>
<output>97</output>
97   Option 97
<result>A</result>
Jerry’s average (arithmetic mean) score on the first 3 of 4 tests is 85. If Jerry wants to raise his average by 3 points, what score must he earn on the fourth test?