Answered

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Samantha is going to run in a 5K race. To prepare, she wants
to run an average of 40 minutes a day until the marathon
on Saturday. She ran 45 minutes on Monday, 30 minutes on
Tuesday, 55 minutes on Wednesday, and 25 minutes on
Thursday. How long should she run on Friday to reach her
goal?

Sagot :

adioabiola

The number of minutes Samantha needs to run on Friday to reach her goal is 45 minutes.

Average

  • Monday = 45 minutes
  • Tuesday = 30 minutes
  • Wednesday = 55 minutes
  • Thursday = 25 minutes
  • Friday = x minutes

Average = (Monday + Tuesday + Wednesday + Thursday + Friday) / 5

40 = (45 + 30 + 55 + 25 + x) / 5

40 × 5 = 155 + x

200 = 155 + x

200 - 155 = x

45 = x

x = 45 minutes

Learn more about average:

https://brainly.com/question/20118982

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