Percent Change / Simple Interest

Front

The Principal and Interest are always___________.

Back

money

Front

Emilio borrows $1200 from a bank with 8% simple interest per year. How much will he have to pay back total in 2 years?

Back

$1392

Front

One week, 72 people got a speeding ticket. The next week, only 36 people got a speeding ticket. What is the percent of change in the speeding tickets?

Back

Decrease 50%

Front

The simple interest formula is I=Prt. What does the t represent?

Back

Time, in years

Front

Last week, you finished level 2 of a video game in 32 minutes. Today, you finished level 2 in 28 minutes. What is your percent of change?

Back

Decrease 12.5%

Front

What is the formula for calculating Simple Interest?

Back

I = P * r * t

Front

If the principal is $500 and the interest rate is 5% per year, what is the interest earned in 3 years?

Back

$75

Front

What is the percent change formula?

Back

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

Front

If a shirt originally costs $40 and is now on sale for $30, what is the percent decrease in price?

Back

25% decrease

Front

What does 'percent' mean in mathematics?

Back

A ratio expressed as a fraction of 100.