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Travka [436]
2 years ago
7

A bargain bin contains classical and rock and CDs. There are 60 CDs in the bin. Choosing a rock CD have the same number of favor

able outcomes. How many rocks CDs are in the bin
Mathematics
1 answer:
Marysya12 [62]2 years ago
4 0
I think the answer will be 3/60 × 2/59
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Answer:

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Step-by-step explanation:

Look at the second equation, we can easily rearrange it to make x the subject.

x - 4y = 5

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Now lets put that into the second equation

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Now lets find x!

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x = -3

Now lets format the answer like the question says (ordered pair)

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Recap: We used substitution and made an equation to work out one of the variables first, then found the second variable using the first.

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