Math

A computer chip 0.32 cm thick is made up of layers of silicon. If the top and bottom layers are each 0.03 cm thick and the inner layers are each 0.02 cm thick, how many inner layers are there?

A. 13
B. 15
C. 16
D. 52
E. 64

  1. 👍 0
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  3. 👁 1,760
  1. (.32 - 2*.03)/.02

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  2. 0.26 / 0.02 = 13

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    2. 👎 0
  3. A. 13

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    2. 👎 0
  4. 0.32-2*0.03
    ---------------- = 13
    0.02

    A. 13

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    2. 👎 0
  5. a.13

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