oliveralexandriareag
oliveralexandriareag oliveralexandriareag
  • 02-05-2020
  • Mathematics
contestada

A display case of CDs are marked 9 for $20. If Evan wants to buy 180 CDs, how much will Evan spend (not including tax)?

Respuesta :

ni20479
ni20479 ni20479
  • 02-05-2020

Answer:

$400

Step-by-step explanation:

Use a proportion. Let x represent the amount of money Evan will spend.

9/20 = 180/x

9x =3600

x=400

So, it will cost Evan $400.

Answer Link

Otras preguntas

A boy jumps into a cold swimming pool and his body temperature goes down. His muscles, blood vessels, and nervous system work together to restore his body tempe
literary images are enhanced by the use of _______ language.
Indicate which pattern of evolution is shown by the many species of finches on the Galápagos Islands.
In minks, the gene for brown fur (B) is dominant to the gene for silver fur (b). Which set of genotypes represents a cross that could produce offspring with sil
Which shows 5.45 written as a mixed number?
A rectangle has an area of 30 square units and a perimeter of 34 meters.what are the dimensions of this rectangle
Identify the like terms. 9x, 10y, –9y,  10   A. 9x and 10
Why can't plants and animals use the nitrogen directly from the atmosphere? Answer A.There is not enough of it in the air. B.Nitrogen gas contains the element i
15 times what equals 45
What is/was the American dream? I need at least 10 bullet points about what the American dream was please somebody help me