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8 June, 01:13

Using a scale, Jamal found the mass of a rock to be 3000 grams. Kemen used a different scale and recorded a different mass for the same rock. The percent error for Kemen's measurement was 5%. Which measurement could be the mass that Kemen recorded? A) 15000 g B) 2850 g C) 600 g D) 150 g.

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  1. 8 June, 01:31
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    It's answer B) 2850 because

    3000:100x5=150 3000-150=2850
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