George keller, a small-engine mechanic, earns a regular hourly rate of $15.68. for overtime, he earns time and
a half on saturdays and double time on sundays. this week he worked his regular 40 hours plus 8 hours on
saturday and 7 hours on sunday. what is george's total pay for the week?

$1,034.88

Step-by-step explanation:

since he earns time and a half on Saturdays, he gets $23.52 per hour. on Sundays,he earns double time, it is $31.36 per hour. when you multiply his regular rate per hour with 40, you have $627.20. His Saturday rate with 8, $188.16. And his Sunday rate with 7, $219.52. Add all those together, and you have an answer!

hope I helped...

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.

b) 1/3 * 1/5

step-by-step explanation:

each smallest part is 1/15 since the written one is 1/5 and it's divided by 3 equal parts. (1/5 )/3 = 1/15 = 1/3 * 1/5