150 - 36 = 114 os remaining;
114/150 = 0,76 (as a decimal) = 76% (as a percentage);
You just need to substitute the the given function. So if f(-8) then you fill in f(n)=2n+4 which would be f(-8)=2(-8)+4. Which is -12.
hope this helps !
Check the attached file for the solution.
You would each get 1/10 of a pound of trail mix
Your answer will x= 5y/3-25/3