Brett made muffins for his grandmother, but he
gave his friend Steve of the muffins. Then Brett
saw Dori and gave her of what he had left. Then
he saw Sheila and gave her of what he had left.
By the time he arrived at his grandmother's house,
there were only 12 muffins.
How many muffins did Brett make?
How many muffins did he give to each person?