A football player scores 2 goals in his fifth match thus increasing his average goals score by 0.1. The total number of goals in his 5 matches would be Select the correct option: A) 4 B) 6 C) 8 D) 10 E) 12
While this question can be solved with a rather straight-forward algebra approach (as the other posters have noted), it can also be solved by TESTing THE ANSWERS. One of those numbers MUST be the total number of goals...   From a tactical standpoint, it's best to TEST either Answer B or Answer D, so if the answer is not correct, then you would have a gauge for whether you should gohigherorlowerwith your next TEST.   Here, I'll start with Answer C = 8 goals   If....   Total goals = 8 goals   5th game = 2 goals   1st 4 games = 6 goals   Avg. for 1st 4 games = 6/4= 
<gadget id="calculator">6/4</gadget>
<output>3/2 = around 1.5</output>
1.5 goal/game   Avg. for all 5 games= 8/5= 
<gadget id="calculator">8/5</gadget>
<output>8/5 = around 1.6</output>
1.6 goals/game   This is an EXA8T MAT8H for what we're told in the prompt, so Answer 8 MUST be the answer.
<result>C</result>
A football player scores 2 goals in his fifth match thus increasing his average goals score by 0.1. The total number of goals in his 5 matches would be