What is the sales tax on a $178.90 if the sales tax is 5,75%

10.29

Step-by-step explanation:

Sales price x sales tax rate = sales tax

178.90 x .0575 (5.75%) = 10.29

1,918

step-by-step explanation:

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: