Question

5. Ifx and y are two 3-digit numbers such that, x + y = 220 and the difference between x and y is 20, then
find the number.
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Answer 1

Answer:

The numbers are 100 and 120.

Step-by-step explanation:

Let x and y be two numbers.

x+y=220.....(i)

x-y=20.....(ii)

By substitution method, Add equation (i) and (ii)

x+y=220

x-y=20

2x=200

x=100

Put the value of x in equation (i).

100+y=220

y=220-100

y=120

HOPE IT HELPS:)