Solve.The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 30 seconds with an average speed of 5 feet per second. Find the average speed of the swimmer if it takes 50 seconds to finish the race.
A. 3 feet per second
B. 5 feet per second
C. 2 feet per second
D. 4 feet per second
Answer: A
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Solve the problem.Mrs. White wants to crochet hats and afghans for a church fundraising bazaar. She needs 8 hours to make a hat and 2 hours to make an afghan, and she has no more than 58 hours available. She has material for no more than 14 items and no more than 10 afghans. The bazaar will sell the hats for $23 each and the afghans for $5 each. How many of each should she make to maximize the income for the bazaar? What is the maximum income?
A. 7 hats, 7 afghans; $196 B. 10 hats, 4 afghans; $250 C. 9 hats, 5 afghans; $232 D. 5 hats, 9 afghans; $160
Find the limit.
(x + 2)
A. 3 B. -1 C. 1 D. Does not exist
Convert the weight as indicated.
pounds to ounces
A. 168 oz B. 84 oz C. 336 oz D. 42 oz
Solve the application and write a sentence answering the question.What is the commission from the sale of $870 worth of books, if the commission rate is 4%?
A. The commission is $348.00. B. The commission is $43.50. C. The commission is $26.10. D. The commission is $34.80.