Question

5/7 of a number is 105.Find the number?​

Answer 1

Answer:

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$x \times \frac{5}{7} = 105 \\ = > x = 105 \times \frac{7}{5} \\ = > x = 21 \times 7 \\ = > x = 147$

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Answer 2

Step-by-step explanation:

Let the number be 5x

Then

5x ⇒ 105

x ⇒ 21

And new price is 7x

Then

7 × 21 ⇒ 147

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