Suggested Answer
The total number of cupcakes is [tex]c+c=2c[/tex]. When Maggie ate one cupcake there are now [tex]2c-1[/tex] cupcakes left to divide between the 3 daughters. So each daughter gets [tex]\boxed{\frac{2c-1}{3}}[/tex] cupcakes.
The total number of cupcakes is [tex]c+c=2c[/tex]. When Maggie ate one cupcake there are now [tex]2c-1[/tex] cupcakes left to divide between the 3 daughters. So each daughter gets [tex]\boxed{\frac{2c-1}{3}}[/tex] cupcakes.