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.

Question

3 years ago

7

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

Mathematics

2 answers:

Evgen [1.6K] · Answer 1 · 2021-12-07T15:20:22+03:00

Evgen [1.6K]3 years ago

8 0

Answer:

B: 62

Step-by-step explanation:

monitta · Answer 2 · 2021-12-07T14:18:33+03:00

monitta3 years ago

4 0

<span>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</span>