Question

Mr. Hewitt, Mrs. Hoffman, and Mrs. Chisholm are engaged in a laser tag battle. Their lasers have a maximum range of 16 feet... The laser tag arena has green laser lines that, the teachers notice, create a coordinate grid of the playing field. Mr. Hewitt is caught unaware that Mrs. Hoffman and Mrs. Chisholm each have a direct line to where he stands, but for Mrs. Chisholm to take the shot, she will have to give up her cover. Mr.s Hoffman has not yet seen her, but the moment she steps out to get Mr. Hewitt, that Mrs. Hoffman will try to eliminate her form the field.