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Check it out!. Lupita wants to buy a boat that will have the best resale value after 3 years. At one boat dealer, she found a boat she likes that sells for $15,000 and depreciates at a rate of 30% per year. What will be the value of the boat after 3 years?

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check it out
Check it out!

3.3.2: Proving Average Rate of Change

slide2

Lupita wants to buy a boat that will have the best resale value after 3 years.

At one boat dealer, she found a boat she likes that sells for $15,000 and depreciates at a rate of 30% per year. What will be the value of the boat after 3 years?

At another dealer, she found a boat that costs $12,000 and depreciates at a rate of 20% per year. What will be the value of the boat after 3 years?

Which boat will have the greater value in 3 years?

3.3.2: Proving Average Rate of Change

slide3

At one boat dealer, she found a boat she likes that sells for $15,000 and depreciates at a rate of 30% per year. What will be the value of the boat after 3 years?

When the boat is new, it is worth $15,000; then it depreciates at a rate of 30% each year.

Create a table to show the decrease in value for the first 3 years.

3.3.2: Proving Average Rate of Change

boat a will be worth 5 145 after 3 years
Boat A will be worth $5,145 after 3 years.

3.3.2: Proving Average Rate of Change

slide5

At another dealer, she found a boat that costs $12,000 and depreciates at a rate of 20% per year. What will be the value of the boat after 3 years?

When the boat is new, it is worth $12,000; then it depreciates at a rate of 20% each year.

Create a table to show the decrease in value for the first 3 years.

3.3.2: Proving Average Rate of Change

boat b will be worth 6 144 after 3 years
Boat B will be worth $6,144 after 3 years.

3.3.2: Proving Average Rate of Change

slide7

Which boat will have the greater value in 3 years?

Boat A will be worth $5,145 after 3 years.

Boat B will be worth $6,144 after 3 years.

Boat B will be worth more than Boat A after 3 years.

3.3.2: Proving Average Rate of Change