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An athlete can run 6 miles in 51 minutes. At this rate, how many miles could the athlete run in 90 minutes?

A. 15 miles

B. 11.5 miles

C. 45 miles

D. 10.6 miles

Answer Explanation:

Here, the athlete runs 6 miles in 51 minutes, which can be expressed as:

Now, in 90 minutes, the athlete will cover about

Therefore, the athlete runs about 10.6 miles in 90 minutes.

Therefore, the Correct Answer is D.

Q #1: Which of the following is the mean of the set data below? 30, 29, 28, 30, 24, 12, 26, 33, 25, 23

A. 30

B. 21

C. 27

D. 26

Answer Explanation

The mean is the total divided by the number of elements in the data set. From the given data set:

Total=30+29+28+30+24+12+26+33+25+23=260

Number of items, N=10

Mean=total/N=260/10=26

The mean is 26.
Q #2: Which of the following is the appropriate estimate of 1 teaspoon?

A. 0.5 L

B. 50 mL

C. 5 L

D. 5 mL

Answer Explanation

A teaspoon can approximately hold 5 mL.

Although the capacity of a teaspoon could be more or less, choice D remains the most correct answer as the other choices have amounts too much for a small teaspoon.
Q #3: To rent tablecloth from a rental vendor, there is an initial charge of $40. There is an additional charge of $5 per circular tablecloth (c) and $3.50 per rectangular tablecloth (r). Which of the following represents the total cost (T) to rent tablecloths?

A. 5r + 3.5c - 40 = T

B. 5c + 3.5r + 40 = T

C. 5c + 3.5r - 40 = T

D. 5r + 3.5c + 40 = T

Answer Explanation

From the given scenario:

Initial charge is $40

Additional charge per circular cloth=$5c

Additional charge per rectangular cloth=$3.50r

Total cost = additional charge per circular rectangular cloths + Initial charge

Total cost, T = 5c + 3.5r + 40

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