İki ədədin hasilinin tapılması

MathematicsProportionsEasy

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12. 2 və 4 ədədləri ilə düz mütənasib olan iki ədədin cəmi 18-dir. Bu ədədlərin hasilini tapın. A) 64 B) 48 C) 72 D) 36 E) 56

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1
Step 1

Hi Yegane, let's solve this problem together. We need to find the product of two numbers that are directly proportional to two and four, given that their sum is eighteen.

Problem Setup

2
Step 2

Since the numbers are directly proportional to two and four, we can represent them as two times k and four times k, where k is a constant multiplier.

$$x = 2k, \quad y = 4k$$
3
Step 3

The problem states that their sum is eighteen. So, we can write the equation: two k plus four k equals eighteen.

$$2k + 4k = 18$$
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Step 4

Combining like terms, we get six k equals eighteen.

5
Step 5

Now, divide both sides by six to find the value of k. Eighteen divided by six is three.

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About This Question

Subject
Mathematics
Topic
Proportions
Difficulty
Easy
Question Type
Multiple Choice

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