For Problem #2, the second one should be 6x+4x+12, and the third one should be 10x+12
The remaining values will be<u> 19, 20, 21, 22 and 23</u>
<h3 /><h3>System of equations</h3>
Given the following parameters
Ethan's score = x points
His younger sister's score = 8 points
If their total score is y points, hence the equation relating x and y is expressed as:
x + 8 = y
x = 8 - y
If x = 10
y = x + 8
y = 18
The ramining values will be<u> 19, 20, 21, 22 and 23</u>
Learn more on tables and values here: brainly.com/question/9265203
Answer:
Step-by-step explanation:
Answer:
The item costs $900 after the 90% off.
Step-by-step explanation:
After the 90% off discount, the item costs (100% - 90%) the cost of the original price.
Hence, 
Hope this helped!
