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

please help!!! i have to finish health class by Sunday. And my school said i could add time on but then said I couldn't so I'm rushing and it would be great if
Everything around us is made of
will upvote please help !! why is choosing strong nouns and verbs important when writing poetry ? A strong nouns and verbs create specific imagery B strong no
Joy is collecting rocks. she has 3 jars and 4 buckets. there are 2 rocks in each jar and 3 rocks in each bucket. how many rocks does joy have?
Jack tries to place magnets on the door of his refrigerator. He observes that the magnets don’t stick. He guesses that the door of the refrigerator is made of a
Multiple Choice 1.   The equation 2NO2↔N2O4 shows a system  (1 point) in chemical equilibrium. in physical equilibrium. that does not reach equilibrium.
How many hydrogen atoms are needed to form five water molecules
A hole is poked in a balloon so that every minute the balloon loses 3/10ft 3 of air. What is the total change in the number of cubic feet of air in the ball
How would you pronounce yacht? /;
Revolutions have most often occurred in nations in which(1) the majority of the people are economically prosperous(2) social mobility is encouraged(3) citizens