A dowelling rod has length 150cm.It is cut into pieces of length 1 1/4 cm.How many such pieces can be cut from the original rod?
Working please
+26396 (150⧸c⧸m1rod)∗(1piece114⧸c⧸m)=15054piecerod=150∗45piecerod=30∗4piecerod=120piecerod⇒120pieces per one rod
\\\left(
\frac
{
150
\;\textcolor[rgb]{1,0,0}{\not}c\textcolor[rgb]{1,0,0}{\not}m
}
{
1\;rod
}
\right)*
\left( \frac{1\;piece
}
{1\frac{1}{4}\;\textcolor[rgb]{1,0,0}{\not}c\textcolor[rgb]{1,0,0}{\not}m} \right)=
\frac{150}{\frac{5}{4}}\;\frac{piece}{rod}=\frac{150*4}{5}\;\frac{piece}{rod}=
30*4\;\frac{piece}{rod}=120\;\frac{piece}{rod}
\\\\
\Rightarrow 120\;\mbox{pieces per one rod}
+26396 (150⧸c⧸m1rod)∗(1piece114⧸c⧸m)=15054piecerod=150∗45piecerod=30∗4piecerod=120piecerod⇒120pieces per one rod
\\\left(
\frac
{
150
\;\textcolor[rgb]{1,0,0}{\not}c\textcolor[rgb]{1,0,0}{\not}m
}
{
1\;rod
}
\right)*
\left( \frac{1\;piece
}
{1\frac{1}{4}\;\textcolor[rgb]{1,0,0}{\not}c\textcolor[rgb]{1,0,0}{\not}m} \right)=
\frac{150}{\frac{5}{4}}\;\frac{piece}{rod}=\frac{150*4}{5}\;\frac{piece}{rod}=
30*4\;\frac{piece}{rod}=120\;\frac{piece}{rod}
\\\\
\Rightarrow 120\;\mbox{pieces per one rod}
