Answer:
10
Step-by-step explanation:
50 plus 10 windows by 2 dollars will give you 70 dollars.
20 plus 10 Windows by 5 dollars give you 70 dollars
1.) 7.2 2.) 15 3.)12
4.) 23 5.) 100, 100, 1000
Answer:
The answer is "
"
Step-by-step explanation:
If 
point: 
Formula:


Put the value in the above formula:


Its 9-1 so that would be 8 idk if you are right just noticed and though it would help