percents review

Front

What is 30% of 50? Write an equation and solve.

Back

x = (.3)(50), x = 15

Front

What does the 't' represent in the simple interest formula I=Prt?

Back

Time, in years

Front

Ann puts $300 in a bank account earning 4% interest. How much will she earn in interest in 1 year?

Back

$12

Front

Write .506 as a percent.

Back

50.6%

Front

A shoe sales associate earned $300 in August. In September she earned 8% more than she did in August. How much did she earn in September?

Back

$324

Front

What is the formula for calculating simple interest?

Back

I = Prt (Interest = Principal x Rate x Time)

Front

How do you convert a decimal to a percent?

Back

Multiply the decimal by 100 and add a % sign.

Front

What is 25% of 200?

Back

$50

Front

If a shirt costs $40 and is on sale for 20% off, what is the sale price?

Back

$32

Front

What is the percent increase if a price goes from $50 to $60?

Back

20% increase