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product of two rational numbers is -28/15. If first rational number is 4/5, than the other rational number is .

product of two rational numbers is -28/15. If first rational number is 4/5, than the other rational number is .

Explanation

let   2nd rational number is =x

first rational number is = 4/5

According to given condition

x*4/5=-28/15

 5*4x/5=-28/15*5

1/4*4x=-28/3*1/4

x=-7/3