Question

The product of two rational numbers is -15/20.if one of them is -18/7​

Answer 1

Answer:21/72

Step-by-step explanation

-15/20=-18/7*X

-15*7/20*(-18)

-105/-360=21/72

Answer 2

Answer:

let 1st rational number =X

and 2nd rational number = -18/7

so, X × -18/7 = -15/20

X= -15/20÷ -18/7

= -3/4×-18/7

= -3/2×-9/7

=27/14 Answer

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