SOLUTION: I am still trying to get my head around how to do these questions. I can get the answer but not the way it should be done. Please help. For a certain bowling league, a beginni

Question 1112862: I am still trying to get my head around how to do these questions. I can get the answer but not the way it should be done. Please help.
For a certain bowling league, a beginning bowler computes her handicap by taking 90% of the difference between 220 and her average score in league play. Determine the average scores that would produce a handicap of 72 or less. Also assume that a negative handicap is not possible in this league.
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
Let us define as the variable we are trying to find
=average score

Percentages are ratios to 100,
and they can be expressed as fractions or decimals:
is the ratio to multiply by.What they tell you in words is

To calculate what values would yield a handicap of 72 or less,
you start by writing
, and then solve for .

.
So, a player with an average score of 140 or more would have , and a handicap of 72 or less.
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