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Anestetic [448]
3 years ago
12

Johnathon can jog 3 2/5 miles in 7/8 hour. Find his average speed in miles per hour

Mathematics
1 answer:
Alex777 [14]3 years ago
8 0
<span>We have to calculate the average speed if we know the distance and time that Johnatan can jog. The distanece: d = 3 2/5 miles = 3.4 miles. t = 7/8 hour = 0.875 h. Then we will use the formula for the average speed ( velocity ): v = d / t. v = 3.4 m / 0.875 h = 3.866 mph. Answer: The average speed is 3.866 mph.</span>
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Question 4
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Answer:

a A = 30 + 0.45 n

b A = 90.3

c 0 customers

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Base\ Amount = 30

Rate = 0.45 per customer

Solving (a): Amount (A) on n customers

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A = Base\ Amount + Rate * n

A = 30 + 0.45 * n

A = 30 + 0.45 n

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