The average household has at least 12 light fixtures. what type of data is 12?

12 is a quantitative data.

Step-by-step explanation:

Given is - The average household has at least 12 light fixtures.

Here 12 is a quantitative data. A quantitative data is expressed in numbers and it gives the measure of counts. This data is about numeric variables often asked with questions like - how many; how much etc.

Example - How many students are on leave today? Its answer will be a numerical value which is quantitative in nature.

reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.

the answer would be 150 books

step-by-step explanation:

if you divide 300 by 2 you will get 150