if fixed cost of 20 articles is 500 and variable cost for each article is 40. find the total cost function? also find total of 90 articles

answer: the answer to your question is parallel

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 : )

no solution

step-by-step explanation:

there is not enough information in the problem to solve.