What is the discount on a pair of $99 shoes at 15% off?

Please I need help!!

$84.15

Step-by-step explanation:

If the tax is included in the equation then you will pay $84.15 dollars, you will be saving $14.85 dollars, now if the tax is not included you will pay $89.20 and you will save $15.74 dollars

Step-by-step explanation:

I hope this helps.

https://www.omnicalculator.com/finance/discount

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.

.632

step-by-step explanation:

6 * 1/10 = 3/5

3*0.01 = 0.03

3/5 + 0.03 = .63

2*0.002 = .002

.63 + 0.002 = .632