Question

Set equation for the following:

three times a number divided by five is equal to 20

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Answer 1

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Answer 2

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A number :

`x`

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Three times of it means :

`3x`

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Divided by 5 :

`(3x)/(5) = (3)/(5) x \\`

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Equals to 20 :

`(3)/(5) x = 20 \\`

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Now let's see what that number is ;

To find we need to solve the above equation for x .

Let's do it...

`(3)/(5) x = 20 \\`

Multiply sides by 5

`5 * (3)/(5) x = 5 * 20 \\`

`3x = 100`

Divided sides by 3

`(3)/(3) x = (100)/(3) \\`

`x = (100)/(3) \\`

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