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Standard VIII

Mathematics

Applications (Word Problem)

10 is subtrac...

Question

$10$ is subtracted from the product of $x$ and $9$ , the result is $80$ . The number is

20

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10

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1

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9

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Solution

The correct option is B $10$
According to the question,
$9 x - 10 = 80$
$⟹ 9 x = 80 + 10$ (on transposing)
$⟹ 9 x = 90$
$⟹ x = \frac{90}{9} = 10$

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10 is subtracted from the product of x and 9, the result is 80. The number is

The correct option is B 10According to the question, 9x−10=80⟹9x=80+10 (on transposing)⟹9x=90⟹x=909=10

$10$ is subtracted from the product of $x$ and $9$ , the result is $80$ . The number is

The correct option is B $10$
According to the question,
$9 x - 10 = 80$
$⟹ 9 x = 80 + 10$ (on transposing)
$⟹ 9 x = 90$
$⟹ x = \frac{90}{9} = 10$