Question

the sum of two natural numbers is 20 while their difference is 10 . Find the numbers. write the correct answer or else I will report

Answer 1

Let, the 2 numbers be 'a' and 'b'.

Given,

a + b = 20 ---- equation 1

a - b = 10

a = 10 + b ----- equation 2

Substitute equation 2 in 1

a + b = 20

10 + b + b = 20

10 + 2b = 20

2b = 10

b = 10/2

b = 5 ----- equation 3

substitute equation 3 in 1

a + b = 20

a + 5 = 20

a = 20 - 5

a = 15

Therefore, the two numbers are 5 and 15.

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