Merge pull request #919 from lahvak/add_variables

Define missing pg variables

Author: drdrew42

OpenProblemLibrary/FortLewis/Algebra/4-5-Functions-and-modeling/MCH1-4-5-01-Functions-and-modeling.pg

@@ -43,13 +43,15 @@ $showPartialCorrectAnswers = 1;
 
 Context("Numeric");
 Context()->strings->remove("NONE");
-Context()->strings->add("NO"=>{},"N"=>{alias=>"no"},"NONE"=>{alias=>"no"});
+Context()->strings->add("no"=>{},"N"=>{alias=>"no"},"NONE"=>{alias=>"no"});
 
 
 $a = random(45,65,5);
 $b = random(50,120,1);
 $c = random(20,60,5);
 $C = 1 - $c/100;
+$d = randon(2,7,1);
+$D = random(10,20,1);
 
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 #  Main text