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17 December, 07:20

An alloy composed of nickel, zinc, and copper in a 4:1:2 ratio. How many kilograms of each metal are needed to make 35 kg of this alloy?

The required amount of nickel is

kg.

The required amount of zink is

kg.

The required amount of copper is

kg.

+4
Answers (2)
  1. 17 December, 07:25
    0
    Step-by-step explanation:

    The total number of parts is 4 + 1 + 2 = 7.

    Nickel is 4/7 of the mass: 4/7 * 35 kg = 20 kg.

    Zinc is 1/7 of the mass: 1/7 * 35 kg = 5 kg.

    Copper is 2/7 of the mass: 2/7 * 35 = 10 kg.
  2. 17 December, 07:47
    0
    15g 5g 10g
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