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30 November, 00:02

A bolt has 16-1/2 turns per inch. How many bolts would be in 2-1/2 inches?

a

32-1/2

b

41-1/4

c

18-1/4

d

32

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Answers (1)
  1. 30 November, 02:00
    0
    41 1/4

    Step-by-step explanation:

    Change 16 1/2 to a mixed number

    16 1/2 = (2*16+1) / 2 = 33/2

    Change 2 1/2 to a mixed number = (2*2+1) / 2 = 5/2

    Multiply the turns per inch by the inches

    33/2 * 5/2 = 165/4

    Change this back to a mixed number

    4 goes into 165 41 times

    41*4 = 164 there is 1 left over

    41 1/4
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