Mai is participating in a 4-day cross-country biking challenge. She biked for 63,53 , and 66 miles on the first three days. How many miles does she need to bike
on the last day so that her average (mean) is 60 miles per day?

Question

UpStudy AI · Accepted Answer

1. Let the number of miles Mai needs to bike on the last day be $$ x $$.

2. The total distance biked over 4 days for an average of 60 miles per day is  
   $$
   4 \times 60 = 240 \text{ miles.}
   $$

3. The sum of the miles biked on the first three days is  
   $$
   63 + 53 + 66 = 182 \text{ miles.}
   $$

4. Setting up the equation for the total distance:  
   $$
   182 + x = 240.
   $$

5. Solving for $$ x $$:  
   $$
   x = 240 - 182 = 58.
   $$

6. Therefore, Mai needs to bike $$ 58 $$ miles on the last day to achieve an average of 60 miles per day.
Mai needs to bike 58 miles on the last day to have an average of 60 miles per day.

Mai is participating in a 4-day cross-country biking challenge. She biked for 63,53 , and 66 miles on the first three days. How many miles does she need to bike
on the last day so that her average (mean) is 60 miles per day?

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Mai is participating in a 4-day cross-country biking challenge. She biked for 63,53 , and 66 miles on the first three days. How many miles does she need to bike on the last day so that her average (mean) is 60 miles per day?

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Solución

Beyond the Answer

preguntas relacionadas

Latest Arithmetic Questions

Mai is participating in a 4-day cross-country biking challenge. She biked for 63,53 , and 66 miles on the first three days. How many miles does she need to bike
on the last day so that her average (mean) is 60 miles per day?