If you’re trying to elimination the answer would be (14,9)
Here is the equation:

⇒

You need to get "x" by itself so minus 3 from each side

⇒

⇒

Divide 8 by 2

÷

x=4
So each 4 is equivalent to 4
Lets check:

⇒

⇒

So that means that Marcus practiced the piano for 4 hours and Donnel practiced for 7
9% of $2500 = 225
7 × 225 + 2500 = $4075
1. Buddy is 1 out of 11 students in the classroom who are spreading Christmas Cheer. What percentage of the class is he?
He is 9% of the class that is spreading Christmas cheer.
2. Santa's sleigh has a Clausometer. The highest measure is 100%. If the Clausometer measured at 45. What would this number be represented as a decimal?
If the clausometer measured at 45 then this number as a decimal will be represented as 0.45.
3. The Jack-in-the-box toys had to be tested! The toys worked 0.985 of the time! What percentage of time did they work?
They worked 98.5% of the time
4. The guys handing out advertisement flyers have handed out 4/5 of their total flyers. What percentage of flyers has been handed out?
80% of flyers have been handed out.
5. When the lights go out in the store at night, there is a 15% off sign hanging up by the makeup counter. What is this number as a decimal and a fraction in simplest form?
This number as a decimal and a fraction in simplest form is 3/20 and 0.15.