Question

the product of two rational numbers is 15 . if one of the number is -5/2 find the other.

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Answer 1

Answer:

let the number be x and y

xy =15

x= -5/2

y=?

x*y= xy

-5/2*y= 15

y= 15 *2/-5

y=-3*2

y=-6

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Let the required number be x

according to the given conditions,

x(-25/13)=15

-25x=15×13

x=-15×13/25

x=-3×13/5

x=-39/5

So required number is-39/5.

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