A shirt priced at x dollars is discounted before tax is added. The final price in dollars is described by the expression below. 1.06(x - 0.4x) what is the sales tax for the shirt?

6%

Step-by-step explanation:

Given

Price of shirt is dollars

Shirt gets a discount and then a tax on purchase.

Final price is

In the above expression represents the discount on the shirt which is equivalent to 40%.

The above expression is multiplied with 1.06, which indicates a sales tax of 6% as 6% can be written as 0.06.

Thus, the sales tax is 6%.

54 km / hours

step-by-step explanation:

we need to convert seconds to hours

60 seconds = 1 minutes

60 minutes = 1hour

15 m         60 second   60 minutes

  * *         = 54000 meters/ hour

second     1 minute             1 hour

now we need to convert meters to km

1000 m = 1 km

54000 m       1 km

*   = 54 km / hours

hour               1000m