


Hawkes accepts only a short final answer and knows only one solution method! 
Two Hawkes students solve a motion problem on yellow paper below. Each makes a minor error and enters only an incorrect final answer. Hawkes’ one “correct” method (visible by scrolling down) requires using two variables named x and y and then solves x+y=5.5 for y. Its later steps therefore differ from these students’ steps. Hawkes’ ignorance of its students’ actual steps makes properly targeted help impossible! 


Three subsequent screens (not shown) imply that the ONLY CORRECT SOLUTION: 
