bellebain07 bellebain07

06-01-2020
Mathematics

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NEED ASAP!!!! BRANELIEST IF ANSWERED CORRECTLY WITH SHOWN WORK.
Carolyn is searching online for tickets to a concert. Two weeks ago, the cost was $30. Now the cost is $39. What is the percent increase? What would be the percent increase if the ticket agent charges an additional $4.50 fee with the new ticket price?

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Stefanisaska Stefanisaska

06-01-2020

Answer: at new cost increase is 30%

after additional $4.50 fee increase would be 45%

Step-by-step explanation:

use equation

30:100=39:x

30x=3900

x=3900/30

x=130

130-100=30%

39+4.50=43.5

30:100=43.5:x

30x=4350

x=4350/30

x=145

145-100=45%

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