Janet is three years older than her sister Julie Janet's brother is 8 years older than their sister Julie the sum of all their ages is 55

Julie is 14.67, Janet 17.67 and Brother 22.66

Step-by-step explanation:

Let Julie age be x

Janet: x+3

Brother: x+8

x+x+3+x+8=55

3x+11=55

3x=44

x=14.7

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 : )

answer: ♡♡♡♡♡♡♡♡♡♡

step-by-step explanation: