At a toy factory, 3 out of every 12 dolls are made with curly hair. How many dolls will have curly hair if the factory made 60 dolls?

Number of dolls made with curly hair =15

Step-by-step explanation:

Total dolls manufactured = 60

dolls made with curly hair = 3/12

Number of dolls made with curly hair = fraction of dolls made with curly hair x Toatal dolls manufactured

=3/12 x 60=15

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.

i would need to see the dot plot : )