Question

The number which when multiplied by 17 increases by 640, is

Answer 1

Answer:

Step-by-step explanation:

LET THE NO BE A

17A = 640

A = 640 /17

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Answer 2

The required number is 40

Step-by-step explanation:

Let the number be x

According to the question

$x\times 17=x+640\\\\\Rightarrow 17x=x+640$

Isolate x by subtracting x from both sides

$\Rightarrow 17x-x=x-x+640\\\\\Rightarrow 16x=640$

Now divide 16 on on both sides

$\Rightarrow \frac{16x}{16}=\frac{640}{16}\\ \\\Rightarrow x=40$

Learn More:

When the number 40 is added to the 20% of a number, the result is the number itself. Find the number.

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