Answer:
The solution is:
Step-by-step explanation:
Given the expression

Solving


so



∵ 
Therefore, the solution is:

Answer:
Algebraic expression ;

Step-by-step explanation:
4 is subtracted from r means the same as r decreased by 4
Subtracted = -

Answer:
$3.34 for each pound of popcorn
Step-by-step explanation:
All we must do, in this case, is divide 8.35 by 2.5.
This equals 3.34.
Therefore, each pound of popcorn cost $3.34.
Don't believe me? To check, just multiply 3.34 by 2.5.
Please let me know if you need help with anything else. :)