Question

A piece of rope is 4.5m long. It is cut into two pieces in the ratio 2:7, what is the length of the longer piece of rope

Answer 1

Answer:

length of small piece

$\frac{2}{2 + 7} \times 4.5 \\ \frac{2}{9} \times 4.5 \\ 2 \times 0.5 = 1$

longer piece length

$4.5 - 1 = 3.5$