The sum of two numbers is 45 and their product is 500.
What are the two numbers?
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The sum of two numbers is 45 and their product is 500.
What are the two numbers?
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Answer:
let the first number be X
and second number be Y
atq
X+Y=45
so Y=45-X
now
since
X×Y=500
X×(45-X)=500 (from above)
45X-X²=500
X²-45X+500=0
X²-25X-20X+500=0
X(X-25)-20(X-25)=0
(X-25)(X-20)
X-25=0
SO X=25
AS
X-20=0
SO X=20
THERE FOR TWO NUMBERS ARE 25 AND 20