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2 years ago

Find two positive numbers such that the sum of the first and twice the second is 100

Mathematics

1 answer:

Lesechka [4]2 years ago

3 0

20 and 40.

20 + 40 + 40 = 100

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<h2>Answer:</h2>

Option: C is the correct answer.

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<h2>Step-by-step explanation:</h2>

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$x^2-x-12=-1.8x-0.6\\\\i.e.\\\\x^2-x+1.8x-12+0.6=0\\\\i.e.\\\\x^2+0.8x-11.4=0\\\\i.e.\\\\10x^2+8x-114=0\\\\i.e.\\\\5x^2+4x-57=0$

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Here we have:

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Hence, the solution is given by:

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