Synclai310 Synclai310

16-11-2018
Mathematics

contestada

Mary bought a shirt on sale for $15. The sales tax was 10%. It's Mary played with a $20 bill, what was her change.

Respuesta :

Nicky09103 Nicky09103

16-11-2018

The equation is:

$20 - ($15 x 1.10) = x

It would cost $16.50 because the sales tax makes the price 110% of what it used to be or 1.1 times more.

Now you have 20 - 16.5 = x

20 - 16.5 = 3.5.

She got $3.50 in change.

Hope this helps :)

Answer Link

Otras preguntas

what is the explicit formula for the nth term of a(n)=12a(n-1, where the 1st term is .001?

Which of the following represents the area of a rectangle whose length is 3x + 5 and whose width is. x – 2?. A.) 3x^2 + x – 10 B.) 3x^2 – 10 C.) 3x^2 – 11x – 1

In 1958 a large earthquake in Alaska produced a tsunami. What was the approximate height of the tsunami?

which polynomial is prime? x4 3x2 – x2 – 3 x4 – 3x2 – x2 3 3x2 x – 6x – 2 3x2 x – 6x 3

a beta particle is a

What accounts for why the Soviet Union decided to formalize its East European alliance through the Warsaw Pact? A.to convince the world that communism was th

what is the point-slope form of an equation with the slope of 3/5 that passes through the point (10, –2)? a. y – 2 = 3/5(x 10) b. y 10 = 3/5(x – 2) c. y – 10

1. An electric iron has a rating of 750W, 220V. Calculate: (a)current passing through it (b)Its resistance when in use 2. Two lamps,one rated 100W,220V and oth

Which statement best explains the relationship between diet and osteoporosis?

divide 32.85 by 15 help me work out the problem. please