Question

Answer 1

\(x\times\dfrac{2}{5}=\dfrac{3}{10}\)

\(x=\dfrac{3}{10}\div\dfrac{2}{5}\)

\(x=\dfrac{3}{4}\)

b) \(\dfrac{7}{3}\div x=\dfrac{1}{4}\)

            \(x=\dfrac{7}{3}\div\dfrac{1}{4}\)

            \(x=\dfrac{28}{3}\)

Answer 2

x=3/4

x=28/3

Answer 3

\(\)a) \(x\) x \(\dfrac{2}{5}\) = \(\dfrac{3}{10}\)                       b) \(\dfrac{7}{3}\) : \(x\) = \(\dfrac{1}{4}\)

    \(x\)         = \(\dfrac{3}{10}:\dfrac{2}{5}\)                           \(x\) = \(\dfrac{7}{3}:\dfrac{1}{4}\)

    \(x\)         = \(\dfrac{3}{4}\)                                   \(x\) = \(\dfrac{28}{3}\)