An alloy consists of nickel, zinc, and copper in the ratio 2:7:9. How much of each metal would you need to create 3.6 kg of this alloy?

x(2+7+9)=3.6

x(18)=3.6

x=3.6/18

x=0.2

2*0.2 : 7*0.2 : 9*0.2

0.4 : 1.4 : 1.8

0.4kg of nickel

1.4kg of zinc

1.8kg of copper

Hope this helps :)

Step-by-step explanation:

d (5 x (-20)) * (100 x (0.7))

step-by-step explanation:

5÷1/100 * -.7 *-20

copy dot flip

5*100 * -.7 *-20

rearrange

5*-20   * 100 *-.7

-100   *-70

7000

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