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in Mathematics by (50.1k points)
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Sum of two numbers is 105 and their difference is 45. Find the numbers.

1 Answer

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by (50.3k points)
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Best answer

Let x and y be the two numbers.

According to the question,

\(x + y = 10 5 \quad ....(\text{i})\)

\(x - y = 45 \quad ....(\text{ii})\)

Adding (i) and (ii), we get

\(2x = 150\)

\(x = \frac{150}2\)

\(\therefore x = 75\)

Now, substituting x = 75 in the equation (i)

\(x + y = 105\)

\(75 + y = 105\)

\(y = 105 - 75\)

\(\therefore y = 30\)

Therefore, the two numbers are 75 and 30.

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