Answer:
x = -5/2 y +25/2
Step-by-step explanation:
5y + 2x = 25
Subtract 5y from each side
5y + 2x -5y= -5y+25
2x = -5y +25
Divide by 2
2x/2 = -5y/2 +25/2
x = -5/2 y +25/2
Answer:

Step-by-step explanation:


Simplify.
Answer:
<u>20%</u>
Step-by-step explanation:
520,000/650,000 = 0.8
Sold for 80% of original price
Lost percent = 100% - 80%
20%
Answer:
8.5, 4.5
Step-by-step explanation: