Question

The sum of two number is to and the difference of them 142. Then the greater number of these two is?

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Answer 1

Answer:

Step-by-step explanation:

Let us assume, the two numbers are x and y.

Given:

3x + y = 142 ------------1

And also given:

4x – y = 138

y = 4x – 138 --------------2

Substitute the value of y from eqn 2 in eqn 1

3x + 4x – 138 = 142

7x - 138 = 142

7x = 142 + 138

7x = 280

x = 40

Therefore, y = (4 * 40) – 138 = 22

The two numbers are 40 and 22