Question

can anyone answer this pls
pls i need help :(

Answer 1

$4) \: \: the \: product \: of \: two \: number \: is \: \frac{ - 28}{27} . \\ \: if \: one \: of \: the \: number \: is \: \frac{ - 4}{21} . \\ find \: the \: other \\ \\ solution. \\ let \: the \: number \: be \: x \: \\ \frac{ - 4}{21} \times x = \frac{ - 28}{27} \\ \\ x = \frac{ - 28}{27} \times \frac{21}{ - 4} \\ \\ x = \frac{7}{4} \times \frac{3}{1} \\ \\ x = \frac{21}{4} = 5.25 \: \: is \: the \: answer...$