![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
Total cost = number of gallons × cost per each gallon
\Total cost for 6 gallons = Cost per each gallon × 6 gallons
\Total cost for 6 gallons = ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c41771484be9911015a9faf3407e2b05.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=03f33ac6e7e3a5accc46a5d3c042da56.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6d6faaae25633c8508d457efc1b2ca5e.png\")
)![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
\
Check:
\Your answer total cost
\Cost per each gallon = ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=57f3de1d8dadbbd744145b0f5d78029a.png\")
Cost per each gallon =![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6f6536376c601f923d6f08002fb4ae56.png\")
Cost per each gallon = $1.25 per gallon, which is matching with
\ the value given in the problem. So, answer is correct.![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
Total cost for 6 gallons ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=03f33ac6e7e3a5accc46a5d3c042da56.png\")