120 sixth graders are going on a field trip to the Rock and Roll Hall of Fame and Museum. The museum requests a ratio of students to adult chaperones of 8:1. How many adult chaperones will be needed?

15

Step-by-step explanation:

120 ÷ 8 = 15

step-by-step explanation:

if x = 2 you have to find x to finish the problem

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 : )