Answer: 205 lbs
here are all the answers http://washburn.mpls.k12.mn.us/uploads/normal_calculations_practice_key.pdf
Step-by-step explanation:
Answer:


Step-by-step explanation:
Write the system


Solve by Elimination.
multiply the second equation by -3.


Add the Equations.


Plug this back in one of the equations.


1/2 is the probability, or 50%. There are 4 teams of S and B n the Y, 2 are B. so its 2/4