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2 years ago

5

a cost of a pen is unknown the cost of the notebook is 30 cents more than the pen mary brought 8 pens and 5 notebooks and spend

8 dollars calculate the cost of the pen and the notebook

1 answer:

Cloud [144]2 years ago

7 0

The answer is 30 cents

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Morgarella [4.7K]

$\implies {\blue {\boxed {\boxed {\purple {\sf {c) \:1}}}}}}$

$\large\mathfrak{{\pmb{\underline{\orange{Step-by-step\:explanation}}{\orange{:}}}}}$

$= \frac{1}{9} \times 9\\$

$= \frac{9}{9} \\$

$= \frac{1}{1} \\$

$= 1\\$

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2 years ago

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adelina 88 [10]

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-63

Step-by-step explanation:

This arithmetic progression

The formula is a+(n-1)d

a means the first value

n is the nth term

d is the difference

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d is -2

So let's substitute

-5+(30-1)-2

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-5-58

-63

Therefore the final answer is-63

Just follow the step and the general formula, you will get your final answer

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3 years ago

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Step-by-step explanation:

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