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STALIN [3.7K]
2 years ago
8

If the lesser of the two consecutive even integers is five more than half the greater, what are the two integers?

Mathematics
1 answer:
Marina CMI [18]2 years ago
7 0

The integers are 12, 14.

Solution:

Let the even consecutive integers be x and x + 2.

Lesser number = x and Greater number = x + 2

Lesser number = Half of greater number + 5

$\Rightarrow x = \frac{1}{2} (x + 2) + 5

$\Rightarrow x = \frac{x + 2}{2} + 5

To add the numbers, denominators must be same. So multiply 5 by \frac{2}{2}.

$\Rightarrow x = \frac{x + 2}{2} + \frac{10}{2}

$\Rightarrow x = \frac{x + 12}{2}

Multiply by 2 on both sides, we get

⇒ 2x = x + 12

Subtract x from both sides.

⇒ x = 12

Lesser number = 12

Greater number = 12 + 2 = 14

Hence the integers are 12, 14.

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