Flashcard Review % Change and Error/ Solving w/%'s

Front

Calculate the percent change from 83 degrees to 75 degrees.

Back

9.6% decrease

Front

Alexton borrowed $4,000 for 5 years at 6% simple interest rate. How much interest is that?

Back

$1,200

Front

Daniel's meal cost $28.00. He wants to leave a 20% tip. What is his total bill including tip?

Back

$33.60

Front

The simple interest formula is I=Prt. What does 'r' represent?

Back

the rate

Front

You plan to purchase a plane ticket for $299.00 with a 15% discount. How much will the ticket cost?

Back

$254.15

Front

What is the formula to calculate percent change?

Back

Percent Change = (New Value - Old Value) / Old Value * 100

Front

If a product originally costs $50 and is marked down by 20%, what is the sale price?

Back

$40

Front

What is simple interest?

Back

Interest calculated on the principal amount only.

Front

How do you calculate the total cost after applying a percentage discount?

Back

Total Cost = Original Price - (Discount % * Original Price)

Front

What is the principal in the context of simple interest?

Back

The principal is the initial amount of money borrowed or invested.