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13 December, 07:04

Rob wanted to know the mass of his luggage before he got on an airplane. He

put the luggage on a balance and added two 10 kg weights and one 3 kg

weight so that the balance was even. What is the mass of his luggage?

A) 23 kg

B) 14 kg

C) 12 kg

D) 20 kg

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Answers (1)
  1. 13 December, 08:13
    0
    A

    Explanation:

    20+3 2*10=20 3*1=3 so the mass is 23 kg
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