15. Will bought 3 college textbooks. One cost \$32, one cost \$45, and one cost \$39. What is the average price of his books? Choose the statement that correctly calculates the average. A. 3 ×
\$32 + \$45 + \$39 B. (\$32 + \$45 + \$39) ÷ 3 C. \$32 ÷ 3 + \$45 ÷ 3 + \$39 D. \$32 + \$45 + \$39 ÷ 3
The answer is: B. (\$32 + \$45 + \$39) ÷ 3. The average price is: \$38.67. [smile]
Original conversation
User: 15. Will bought 3 college textbooks. One cost \$32, one cost \$45, and one cost \$39. What is the average price of his books? Choose the statement that correctly calculates the average. A. 3 × \$32 + \$45 + \$39 B. (\$32 + \$45 + \$39) ÷ 3 C. \$32 ÷ 3 + \$45 ÷ 3 + \$39 D. \$32 + \$45 + \$39 ÷ 3

Weegy: The answer is: B. (\$32 + \$45 + \$39) ÷ 3. The average price is: \$38.67. [smile]

User: 16. What is the cube of 8? A. 2 B. 64 C. 24 D. 512

Weegy: D. 512

User: Heidi, a jewelry salesperson, earns a commission of \$55 every time she sells a diamond ring. How many rings does she have to sell to earn \$605? Choose the equation that correctly calculates the amount. A. \$605 – \$55 = w B. \$55 – w = \$605 – w C. \$55 + w = \$605 D. \$55 × w = \$605

Weegy: D. \$55 × w = \$605

User: 18. Which of the following groups of numbers are all prime numbers? A. 2, 5, 15, 19 B. 3, 11, 23, 31 C. 2, 3, 5, 9 D. 7, 17, 29, 49

Weegy: B. 3, 11, 23, 31

User: 19. Which one of the following numbers is a multiple of 8? A. 27 B. 124 C. 512 D. 98

Weegy: C. 512

User: 20. Which of the following is a composite number? A. 0 B. 1 C. 63 D. 19

Weegy: C. 63 is a composite number

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