CrystalKit CrystalKit

24-01-2017
Mathematics

contestada

Your goal is to run a mean of 45 minutes per day for a week. For the first six days, you run 38, 40, 40, 42, 43, and 50 minutes. How many minutes must you run on the seventh day to reach your goal exactly?
A. 28 minutes
B. 62 minutes
C. 42 1/6 minutes
D. 17 minutes

Respuesta :

snowwhite2633 snowwhite2633

24-01-2017

add 38, 40, 40, 42, 43, 50, and an unknown x representing the 7th day. divide the sum by 7. Equate this to 45. Then solve for x.

x = 62 minutes

Answer Link

madog99 madog99

05-03-2020

Answer:

B: 62

Step-by-step explanation:

Answer Link

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