aames for the stars
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Problem of the week

POW 17

12/17/2018

 
The word “thirty” contains 6 letters, and 30 = 6 × 5. Similarly, the word “forty” contains 5 letters, and 40 = 5 × 8.
Which of the following is not a multiple of the number of letters it contains?
​A. six
B. twelve
C. eighteen
D. seventy
E. ninety

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  • Home
  • About
  • Math 8
    • Chapter 1 Support
    • Chapter 2 Support
    • Chapter 3 Support
    • Chapter 4 Support
    • Chapter 5 Support
    • Chapter 6 Support
    • Chapter 7 Support
    • Chapter 8 Support
    • Chapter 9 Support
    • Chapter 10 Support
  • Corrections
  • Expectations