Question

the product of two rational is -8 upon 9 if one of the number is -4 upon 15 find other​

Answer 1

(-4/15) * x = (-8/9)

x = (8/9) *(4/15)

x = 10/3

Answer 2

let the number be x

: -8/9=-4/15*x

: -8/9*-15/4=x

: 10/3=x