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galina1969 [7]
3 years ago
14

Notebook cost $1.20 each. This weekend they will be on sale for $0.80. What percentage is the sale

Mathematics
2 answers:
julsineya [31]3 years ago
4 0
The discount is $.40 (1.20 - 0.80)
To find the discount you take (0.40/1.20) * 100
=.33 * 100
The discount is 33%
ivanzaharov [21]3 years ago
3 0

Answer:

33,33%

Step-by-step explanation:

In order to calculate this you just need to figure out how much does the money that is being removed from the cost is in percentage, we know that the notebook costs 1.20 each, and they are on sale for .80, so to calculate the difference we withdraw from the total cost, the sale cost:

1,20-,80=,40

So the disscount is ,40 dollars, now we use a rule of three to calculate this, using 1,20 as the 100%:

\frac{1,20}{100}= \frac{,40}{x} \\x=\frac{100*,40}{1,20}\\ x=33,33333

So we get that the percentage of the disscount will be 33.33%

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What is the height, in centimeters, of a rectangular prism that is 80 centimeters wide, 40 centimeters long, and has a volume of
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Answer:

The answer to your question is the letter E. 50

Step-by-step explanation:

Data

height = ?

Width = 80 cm

Length = 40 cm

Volume = 160000 cm³

Formula

Volume of a rectangular prism = Width x length x height

Substitution

                          160000 = 80 x 40 x height

Solve for height

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Simplification

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Result

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