# Lewis has a copper pipe with a length of 150 cm and a mass of 800 grams. He cuts a piece of the copper pipe with a length of 90 cm. How do you work out the mass of this piece of copper pipe?

##### 2 Answers

Jun 9, 2017

I got

#### Explanation:

I would consider the Linear Density of the pipe as:

or:

When you cut it you are left with

or

Jun 9, 2017

The

#### Explanation:

From the question, we get a relationship of equality between the length and mass of the pipe.

There are two conversion factors as shown below.

Multiply