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Crank
3 years ago
8

Vita saved $72 last December. This amount represents 2/9 of the total amount she saved last year. What is the total amount Vita

saved last year?
Mathematics
1 answer:
GrogVix [38]3 years ago
7 0
\dfrac{2}{9} \text { of the saving} = \$72

-----------------------------------------------
Find 1/9 :
-----------------------------------------------
\dfrac{1}{9} \text { of the saving} = \$72 \div 2

\dfrac{1}{9} \text { of the saving} = \$36

-----------------------------------------------
Find 9/9 :
-----------------------------------------------
\dfrac{9}{9} \text { of the saving} = \$36 \times 9

\dfrac{9}{9} \text { of the saving} = \$324

-----------------------------------------------
Answer: The total amount is $324.
-----------------------------------------------
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Answers And Explanations:

Question 1.

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1.1     Pull out like factors :

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Add  5/6  to both sides

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Question 2.

To make fractions improper with whole numbers, you must <u>multiply the Denominator by the whole number, then add the Numerator to the Product.</u>

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First we multiply 32 by 5.

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3 years ago
A sample of 1800 computer chips revealed that 53% of the chips do not fail in the first 1000 hours of their use. The company's p
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Answer:

So the value of the test statistic is -0.85.

Step-by-step explanation:

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We get that:

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We calculate the standar deviation:

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We calculate the value of the test statistic:

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total volume of water:

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