Question

If the sum of 2 numbers is 30 and their difference is 20 what are the 2 numbers

Answer 1

Answer:one number is  25  and the other number is  5

Answer 2

Answer:

Let, the numbers be x and y

Then, x+ y = 30

x - y = 20

On adding both equations,

2x = 50

x = 25

On subtracting both equations,

2y = 10

y = 5

Hence the numbers are 25 and 5.

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