Math fractions subhan cut a sandwich into 8 equal pieces and ate 1 piece. he had 7/8 left subhan put each of the remaining pieces ona snack oklate. how many snack plates did he use? what part of the sandwich did he put on each plate?

1 sandwich cut into 8 pieces then eats 1 pieces, 
then had 7/8 lefts means that 7 pieces left, if he put each mean put 1 pieces in a plate, than he need 7 plates.

When he ate 1 piece, it means that he ate 1/8 or 1 out of 8 pieces.  
he put 1/8 part of the sandwich on each plate.

the formula of a slope:

we have the points (-2, 7) and (2, 3). substitute:

answer: the slope is equal -1.

It is e) i am not sure if you have any questions or need any