Math Problem Solving Flashcard

Front

What is the formula to calculate the percentage decrease in price?

Back

Percentage Decrease = ((Original Price - Sale Price) / Original Price) * 100

Front

If a product originally costs $150 and is on sale for $120, what is the percentage decrease?

Back

25%

Front

What is simple interest?

Back

Simple interest is calculated using the formula: Interest = Principal x Rate x Time.

Front

If José puts $1,500 into a savings account with a 3% interest rate, how much interest will he earn in 3 years?

Back

$135.00

Front

What does it mean to increase a quantity by a percentage?

Back

To increase a quantity by a percentage means to add that percentage of the original quantity to itself.

Front

If Nathan scored 24 goals in his second season, and this is 20% more than his first season, how many goals did he score in his first season?

Back

20 goals

Front

What is the formula to calculate percent increase?

Back

Percent Increase = ((New Value - Original Value) / Original Value) * 100

Front

If Clark's bowling average increased from 160 to 184.8, what is the percent increase?

Back

24.8%

Front

What is a discount?

Back

A discount is a reduction in the original price of a product.

Front

If a jacket costs $84 and is 20% off, what is the sale price?

Back

$67.20