27-10-2018
Mathematics

contestada

Find a number whose fifth part inereased by 30 is equal to its fourth part decreased by 30.

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27-10-2018

Answer:

1200

Step-by-step explanation:

Let the number be represented by n. The problem statement tells us ...

... n/5 + 30 = n/4 - 30

Multiplying by 20 gives

... 4n +600 = 5n -600

Adding 600-4n gives

... 1200 = n

The number is 1200.

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