Answer:
-25
Step-by-step explanation:
Hope this helps! :)
Answer:
The image has the ans.
Step-by-step explanation:
Image explains.
Answer: Second option.
Step-by-step explanation:
Let be "e" the number of easy puzzles Tina solved and "h" the number of hard puzzles Tina solved.
Set up a system of equations:

You can use the Eliminationn Method to solve this system of equations:
- Multiply the first equation by -30.
- Add the equations.
- Solve for "h".
Therefore, through this proccedure, you get:

$.75 bc 15 x 4 is 75 so that would make 75¢ or $.75
Answer:
You flip one and multiply them