6. santiago diaz granados played an arcade game that cost 25 tokens per game. in six games, santiago won 0 tokens, 10 tokens, 50 tokens, 0 tokens, 5 tokens, and 10 tokens. what is the change in the amount of tokens santiago has? a -85 b -75 c 75 d 90

-- To play the six games, Santiago Diaz Granados spent

                                             (6 x 25) = 150 tokens.

-- As a result of his skill, experience, talent, steady hand, nerves
of steel, superior hand-eye coordination, and superb reflexes,
Santiago Diaz Granados won

                 (0 + 10 + 50 + 0 + 5 + 10) = 75 tokens.

-- At the end of the 6th game, Santiago Diaz Granados was behind
the curve. 
After spending 150 tokens and winning 75 tokens, Santiago Diaz Granados
was down by (150 - 75) = 75 tokens since he arrived at the arcade. 
Any true friend could look at the choices, could see that choice-B is
the correct one, and could advise Santiago Diaz Granados to cash in
whatever he had left, accept his losses, return to his home, and live
to fight another day. 

Viva Santiago Diaz Granados ... un verdadero héroe de su pueblo.  Viva !