The expression for the Total cost of shirts = 12.50( 2 + 3 + 1).
(Distributive property: a(b + c) = ab + ac)
(Multiply: )
(Add: )
The solution is 75$.
![\"\"](\"/userfiles/image/Library/Distributive_Property1.gif\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8d1e638dd7fc253d9c59ac9ff04850a1.png\")
(Distributive property: a(b + c) = ab + ac)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3f323bee4e87d89c17b4016317816bed.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=acf3db9cbd656d1bb7922c2f451b62c1.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7c8ea76bb1b1337945ede31f793edb90.png\")
(Add: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ac7e0f4c40de04d9d6d929781fa00044.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")