oliveralexandriareag oliveralexandriareag

02-05-2020
Mathematics

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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)?

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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.

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