A certain shade of pink is created by adding 3 cups of red paint to 7 cups of white paint. a. How many cups of red paint should be added to 1 cup of white paint? b. What is the constant of proportionality?

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 : )

x=-7

step-by-step explanation:

x+3=-10

-10+3=-7

x=-7

it is 10.6 according to my calculations