change to single quotes

web/skins/classic/includes/config.php

@@ -26,8 +26,8 @@ $rates = array(
     '400' => '4x',
     '200' => '2x',
     '100' => translate('Real'),
-    '50' => "1/2x",
-    '25' => "1/4x",
+    '50' => '1/2x',
+    '25' => '1/4x',
 );
 
 $scales = array(
@@ -35,13 +35,13 @@ $scales = array(
     '400' => '4x',
     '300' => '3x',
     '200' => '2x',
-    '150' => "1.5x",
+    '150' => '1.5x',
     '100' => translate('Actual'),
-    '75' => "3/4x",
-    '50' => "1/2x",
-    '33' => "1/3x",
-    '25' => "1/4x",
-    "12.5" => "1/8x",
+    '75' => '3/4x',
+    '50' => '1/2x',
+    '33' => '1/3x',
+    '25' => '1/4x',
+    '12.5' => '1/8x',
 );
 
 $bwArray = array(