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Shelley is searching online for airline tickets. Two weeks​ ago, the cost to fly from Orlando to Hartford was ​$200. Now the cost is ​$280. What is the percent​ increase? What would be the percent increase if the airline charges an additional​ $50 baggage fee with the new ticket​ price?

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What is the percent​ increase from $200 to $280?

  • [tex]\frac{280}{200} *100 -100[/tex]  → [tex]140 -100[/tex] → 40%

There was 40% increase from $200 to $280

What would be the percent increase if the airline charges an additional​ $50 baggage fee with the new ticket​ price?

  • increase with baggage fee:
  • new ticket cost + baggage free
  • 280 + 50
  • $330

  • [tex]\frac{330}{200} *100 - 100[/tex]  → 165% - 100% → 65%

There was 65% increase with the baggage fee.

#1

  • Old price=200$
  • New price=280$
  • Increase=280-200=80$

Rate of increase (Percent increase)

[tex]\\ \tt\hookrightarrow \dfrac{80}{200}\times 100[/tex]

[tex]\\ \tt\hookrightarrow 40\%[/tex]

#2

  • New price=280+50=330$
  • Increase=330-200=130$

Percent increase:-

[tex]\\ \tt\hookrightarrow \dfrac{130}{200}(100)[/tex]

[tex]\\ \tt\hookrightarrow 65\%[/tex]

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