Mary buys 8 widgets for $40.00. she adds $1.00 in enhancements to each widget and sells them for $9.00 each. what is mary's estimated gross profit margin?

Abag of popcorn contains 483 calories and servers 3.5 people. how many calories are in each serving.

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

Alana has 12.5 cups of flour with which she is baking four loaves of raisin bread and one large pretzel. the pretzel requires 2.5 cups of flour to make. how much flour is in each loaf of raisin bread? explain the steps to follow to get the answer.