A certain number was multiplied by 7.4 was then taken away from the product. Finally that difference was then divided by 9, resulting in 5. Find the initial number.

Question

Mya Manning

Mathematics

30 July, 18:59

A certain number was multiplied by 7.4 was then taken away from the product. Finally that difference was then divided by 9, resulting in 5. Find the initial number.

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Answers (1)

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Clinton · Answer 1

The initial number is 7.

Step-by-step explanation:

Let the initial number be 'x'.

The number was multiplied by 7 ⇒ 7x 4 was then taken away from the product ⇒ 7x-4 That difference was then divided by 9 resulting in 5 ⇒ (7x-4) / 9 = 5

⇒ 7x-4 = 45

⇒ 7x = 49

⇒ x = 7