\(\dfrac{5}{y}=\dfrac{1}{2}\)
\(y=5:\left(\dfrac{1}{2}\right)\)
\(y=5\times2\)
\(y=10\)
----------------------
\(\dfrac{42}{25}:\dfrac{y}{5}=\dfrac{6}{5}\)
\(\dfrac{y}{5}=\dfrac{42}{25}:\dfrac{6}{5}\)
\(\dfrac{y}{5}=\dfrac{7}{5}\)
\(y=7\)
`a, 5/y = 1/2`
`y =10`
`b, 42/25 : y/5 = 6/5`
`42/(5y) = 6/5`.
`y = 7`.
\(a)\dfrac{5}{y}=\dfrac{1}{2}\)
\(y=\dfrac{1}{2}:5\)
\(y=\dfrac{1}{10}\)
\(b)\dfrac{42}{25}:\dfrac{y}{5}=\dfrac{6}{5}\)
\(\dfrac{y}{5}=\dfrac{42}{25}:\dfrac{6}{5}\)
\(\dfrac{y}{5}=\dfrac{210}{150}=\dfrac{7}{3}\)
