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maria [59]
2 years ago
6

If a pound of rice flour costs $12, how many ounces can be bought for $6.90?

Mathematics
1 answer:
Viktor [21]2 years ago
4 0

Answer:

9.2 ounce

Step-by-step explanation:

To do this, we divide $12 by 16 ounces, because there are 16 ounces in a pound:

12/16 = 0.75

Now, we need to find how many ounces can be bought for $4.80. To do this, we divide 6.90 by 0.75

=9.2 ounce

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GIVEN

The following values are given:

\begin{gathered} \mu=10.3 \\ \sigma=3.8 \end{gathered}

SOLUTION

The z-score for the x values 9 and 14 can be calculated using the formula:

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For x = 9:

\begin{gathered} z=\frac{9-10.3}{3.8} \\ z=-0.34 \end{gathered}

For x = 14:

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The probability can be calculated as follows:

P(9\le x\le14)=Pr(-0.34The region that represents the solution is shown below:Therefore, the probability is given to be:[tex]P(9\le x\le14)=0.4671

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The percentage value of the decimals are 475%, 99% and 1040% respectively.

Data;

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<h3>Conversion of Decimals to Percentage</h3>

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To convert a decimal value to percentage, all we simply need to do is multiply that number by 100.

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b) 0.99

To convert this decimal value to percentage, we just need to multiply this number by 100.

0.99 * 100 = 99 \%

c) 10.4

To convert this decimal value to percentage, we just need to multiply this number by 100.

10.4 * 100 = 1040\%

Learn more on conversion of decimal value to percentage here;

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