![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
Initially the weight of a bar of soap is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=aeac5687dfecc9e8377089a6a2f331de.png\")
grams.
A bar of soap decreases by ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5cae6a39d384572ad539f43dffaed3eb.png\")
each time it is used.
The remaining bar of soap after the first use
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f1ec192b17f2edd758dbe0bb05f3c1f1.png\")
The remaining bar of soap after the ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3e677ff49796cf8ae362292f96577cb7.png\")
uses
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=620c0a0c01422eeb615ac82e49190fb1.png\")
The remaining bar of soap after the ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3e677ff49796cf8ae362292f96577cb7.png\")
uses is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a9663adb664509da1cf10c91a893e908.png\")
grams.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The remaining bar of soap after the uses is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a9663adb664509da1cf10c91a893e908.png\")
grams.