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harina [27]
3 years ago
15

What is the original price of a telescope the discount is 30% and the sale price is $126?

Mathematics
2 answers:
laila [671]3 years ago
6 0
The original price would be $420
disa [49]3 years ago
6 0
X = The original price.

\displaystyle x\cdot   \frac{30}{100} = 126 \\\\ \frac{3x}{10}=126\\\\3x=1260\\\\x=420
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Answer:

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Step-by-step explanation:

Given

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From the question, we understand that the probability is that of without replacement.

Since the yellow, is first picked.

We need to determine the probability of picking a yellow rock, first.

P(Yellow) = \frac{n(Yellow)}{Total}

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The required probability is calculated as thus:

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