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zvonat [6]
3 years ago
14

Brielle and Joshua are running a half marathon race, which is 13.1 miles long. It takes Brielle 10 minutes to run 1.25 miles and

Joshua 18 minutes to run 1.5 miles. If they run at the same speed for the entire shift, who will run the marathon faster? How many minutes will it take each of them to run the race?
Mathematics
1 answer:
CaHeK987 [17]3 years ago
8 0

Answer: Brielle will run the marathon faster.

Brielle = 104.8 minutes  

Joshua = 157.2 minutes

Step-by-step explanation:

Speed rate = distance /time

Brielle = 1.25 /10 = 0.125 miles per minute

Joshua = 1.5/18 = 0.083333 =1/12 miles per minute

Since 0.125 (Brielle) > 1/12 (Joshua)

Brielle will run the marathon faster.

To calculate the time that takes each one to run the entire race (13.1 miles)

Time= distance / speed

  • Brielle = 13.1 /0.125 = 104.8 minutes
  • Joshua = 13.1 / (1/12)= 157.2 minutes

Feel free to ask for more if needed or if you did not understand something.

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Answer:

There are now 6.5 ounces in the new bag.

Step-by-step explanation:

To solve this question, take 30% of 5 and add it to the original amount of 5

30% = 0.30

5 * 0.30 = 1.5

5 + 1.5 = 6.5 ounces of candy.

Hope this helps!

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2 years ago
Need help with two questions please
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Step-by-step explanation:

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3 years ago
10 point to Help with this ?
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What is the equation of a line that is perpendicular to -1 +3y=9 and passes through the point (-3, 2)?​
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Answer:

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