\(=\dfrac{16+25}{200}\cdot2=\dfrac{41}{100}\)
\((\dfrac{2}{25}+\dfrac{1}{8}).2=(\dfrac{16}{200}+\dfrac{25}{200}).2=\dfrac{41}{200}.2=\dfrac{82}{200}\)
( \(\dfrac{2}{25}\) + \(\dfrac{1}{8}\) ) × 2
= \(\dfrac{16+25}{200}\) x 2
= \(\dfrac{41}{100}\)