the student council estimated that they would have 250 people attend the homecoming dance. the number of people who actually attended was 315. what is the percent error to the nearest hundredth percent?

The answer to the question stated above is:

What are given?
      250- estimated people 
      315- no. of people who actually attended.
What is asked?
      percent error
Solve:
Subtract 250 from 315
So, the error is 65. To get the percentage error, divide 65 by 315. You will then get 0.20634...Multiply the result with 100. The percentage error then is 20.63%.

Do the math. she originally had 50 dollars on her gift card and she had 12 dollars left on her gift card after she finished her shopping spree. if you subtract 50 minus 12 you get thirty eight dollars as your answer. so therefore, ciara spent 38 dollars total o