Question

the product of two numbers is -65 by 14 if one of the number is 13 by 21 find the other.


I know you written but answer is another answer= -15 by 2
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Answer 1

Answer:

let the numbers be x and y

xy=-65/14

let x=13/21

13y=21x-65/14

13y=3x-65/2

y=3x-65/2x13

y=3x-5/2

y=-15/2