Effram buys a new set of golf clubs for $460. If a 9% sales tax is added on, how much will he pay in taxes?

Given:

Price of golf after tax = $460

Rate of sales tax = 9%

To find:

The amount of tax.

Solution:

Let x be the price of golf before tax.

According to the question,

Price of golf after tax = Price of golf before tax + tax

Divide both sides by 1.09.

So, price of golf before tax is $422.

Now,

Therefore, the amount of tax is $37.98.

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.