Question

the two positve no be a+b=840.if a-b=40.then find the value of a and b

Answer 1

Answer:

a+b=840

a-b=40

(a+b)+(a-b)= 840 +40

so, 2a = 880

so, a = 440 (ANS)

b = 880-a = 840 - 440 = 400 (ANS)

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Answer 2

Answer:

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