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28 March, 20:10

Alex needs

80

cm

80 cm80, start text, space, c, m, end text of thread for a sewing project. The thread is on a spool with a circumference of

10

cm

10 cm10, start text, space, c, m, end text.

How many times must Alex unwind the spool to get the length of thread he needs?

+2
Answers (2)
  1. 28 March, 20:13
    0
    8 full turns

    Step-by-step explanation:

    80 cm is 8 times 10 cm, so is 8 times around the spool.

    Alex must unwind 8 full turns of thread from the spool.

    __

    He must unwind it once.
  2. 28 March, 20:29
    0
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