If we know that 30% of the time is used after 9 minutes we can write this mathematically as:

By solving for x we can determine the total time allowed to play games and so:

The total time allowed to play games is 30 minutes. Since 9 minutes have lapsed 30-9=21 minutes left to play.
Answer:
I'm pretty sure it's y = -2/3x -6
Step-by-step explanation:
Answer:
33
Step-by-step explanation:
formula- radius X 2 = diameter x 3.14 | 22/7 = circumference
10 1/2 x 22/7 = 33
Answer:
68
Step-by-step explanation:
A P E X
Hi, I'd be glad to help you with this equation.
The answer is (x = 4)
Hope this helps.
Have a great day!