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Nezavi [6.7K]
3 years ago
5

In a certain chemical, the ratio of zinc to copper is 4 to 17. A jar of the chemical contains 714 grams of copper. How many gram

s of zinc does it contain?
It contains
grams of zinc
Mathematics
1 answer:
makkiz [27]3 years ago
3 0

Answer:

z= 168

Step-by-step explanation:

proportion zinc to copper = 4/17

4/17 = z/ 714

17 • z = 4 • 714

17 • z = 2856

z= 2856/17

z = 168

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2 years ago
Mr. Lincoln buys juice and water for the school picnic. A pack of 8 juice boxes ca
alexgriva [62]

Answer:

5x + 3y = 95

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Step-by-step explanation:

Let :

x = pack of juice boxes

y = pack of water bottles

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Pack of water bottles = $3

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5x + 3y = $95

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Using both equations ;

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24x + 18y = 510

Subtract :

6x = 60

x = 60 / 6

x = 10

Put x = 10 in (1)

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y = 45 / 3

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4 0
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hence
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