Mark and peter went to an arcade where the machines took tokens. marilk played 9 games of ping pong and 5 games of pinball, using a total of 29 tokens. at the same time, peter played 3 games of ping pong and 1 game of pinball using up 7 tokens.

use a calculator use an online or the app.

step-by-step explanation:

if you want to solve percent error follow these steps.

1. subtract the accepted value from the experimental value.

2. take the absolute value of step 1.

3. divide that answer by the accepted value.

4. multiply that answer by 100 and add the % symbol to express the answer as a percentage.

if you want to solve percent of change just do this.

1. work out the difference (increase) between the two numbers you are comparing.

2. divide the increase by the original number and multiply the answer by 100. if your answer is a negative number then this is a percentage decrease.

hope this : )

ur mom

step-by-step explanation: