Question 13693
a. plug them in. 
   2(10) + 1(10) + 1/2(10) =? 
Use distributive property.
   10(2+1+1/2)=
   10(3 1/2)=
   30+5=
   35
35>30. No, Abbey can't play each song ten times in half an hour.

b. plug the values in again.
  5 + 2(6) + 1(6) + 1/2(6)= Distributive Porperty
  5 + 6(2+1+1/2)
  5 + 6(3+1/2)
  5 + 18 + 3=
  26 Minutes.