Find the number of scarfs of length half metre that can be made from y metres of cloth

2Y is the  number of scarfs of length half metre that can be made from Y metres of cloth.

Step-by-step explanation:

To find the number of scarfs of length half metre that can be made from Y metre of cloth.

As per the given condition:

we have:

then;

Number of scarfs that can be made from Y metre of cloth =

Therefore, number of scarfs of length half metre that can be made from Y metres of cloth is, 2Y

12r - 8 - 12

you have to combine like terms. below i have bolded the like terms:

12r - 8 - 12

together it combines to:

12r - 20

hope this !