25,600 with a 5% increase

26,880

Step-by-step explanation:

Do 25,600 times .05 to get 1,280, then add 1,280 to get the answer.

26,880

Step-by-step explanation:

Step 1:  25,600 * %5 gives us the increase

25,600 * %5 is same as 25,600 * 0.05

1,280 increase

Step 2:  Add the increase to make the total

1,280 + 25,600

26,880

 26,880

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

copy and paste, put it in google