math

A teacher has a 10m roll of ribbon 3 cm wide . She cuts off 7 equal lengths 3 cm wide to make team bands for PE . There is 90 cm of ribbon left . How long is each team bands

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asked by lily
  1. 7x + 0.9 = 10

    7x = 9.1

    x = 1.3 meters

  2. 10.0 - 7 x = .90

    7 x = 9.1

    x = 1.3 meters

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    posted by Damon

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