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

how are these genes related
What does it mean to say that an allele is lost?
a fish tank is in the shape of a rectangular prism with dimensions 30 in by 12in by 15. The tan is 90% filled with water. You mistakenly place a rock, roughly t
What does x value 4x-2=3
.............Help Please...
23rd term:0.1,0.15,0.2,0.25
Johnny's bank offered him a 4.95% interest rate for his mortgage. If he purchases 3 points, what will be his new rate?
How many 1/3 cups servings are in 4 cups A 1/12 B 3/4 C 4 D 12 Help with 17, 18,34,35 Please
What teachings and actions of John wycliffe led the Pope to accuse him of heresy​
titiknya 10 dan 8 ∫x-8)( x-9) (x-10) dx