Question

Разность трех пятых и одной пятой числа ровно 20 какое это число?

Answer 1

Это будет число 50 
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Answer 2

Problem Analysis

We are given that the difference between three-fifths of a number and one-fifth of the same number is equal to 20. We need to find the number that satisfies this condition.

Solution

Let's assume the number is x.

According to the given information, the difference between three-fifths of x and one-fifth of x is equal to 20. Mathematically, we can represent this as:

(3/5)x - (1/5)x = 20

Simplifying the equation, we have:

(2/5)x = 20

To find the value of x, we can multiply both sides of the equation by the reciprocal of (2/5), which is (5/2):

x = 20 * (5/2)

Simplifying further, we get:

x = 50

Therefore, the number that satisfies the given condition is 50.

Answer

The number that satisfies the condition is 50.