Your friend reads 25 pages in 30 minutes who reads at a faster average rate? Help please! ​

1 min and 20 second for one page

Step-by-step explanation:

25/30 = 1 R 5

5*60 second equal 300 second

300/25 equal 20 for page.

1 min add 20 seconds equal 1 min 20 second per page.

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.