Question

The sum of two number is 100 and their difference 10find the number

Answer 1

Answer:

one number is 55 and other is 45

Step-by-step explanation:

let the first number be X

and second number be y

so according to given condition

X+y=100. x-y=10

so

X=100-y

putting this value of X in x-y=10

100-y-y=10

100-2y=10

-2y=10-100

-2y=-90

2y=90

y=45

putting value of y in X+y=100

X+45=100

X=100-45

X=55

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