Find two numbers, if their sum is 49 and their difference is 1/2

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10-05-2020
Mathematics

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Find two numbers, if their sum is 49 and their difference is 1/2

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grishmapradhan5 grishmapradhan5 · Answer 1 · 2020-05-10T18:56:12+02:00

grishmapradhan5 grishmapradhan5

10-05-2020

Let the two numbers be x and y respectively

CaseI
x+y=49
or,x=49-y

Case II
x-y=1/2
or,49-y-y=1/2(from case I)
or,49-2y=1/2
or,49-1/2=2y
or,(49*2-1)/2=2y
or,97/2=2y
or,48.5=2y
or,48.5/2=y
Y=24.25

Now,

X=49-y
or,x=49-24.25
X=24.75

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