Percent to Decimal/Decimal to Percent
Percent Proportion/Percent Equation
Markup and Markdown
Simple Interest
100

Convert 120% to a decimal.

What is 1.2

100

Use the percent proportion to solve:
If 12 out of 25 people like blue jolly ranchers. What percent of people like blue jolly ranchers?

What is 48% of people

100

The cost of a camera is $210.45. The markup is 25%


Use the:    Markup/markdown    =         Percent        x      OG

                   (Amount)                        as decimal)

Remember to add the original.

What is 263.06

0.25 x 210.45 = 52.61

210.45 + 52.61 = 263.06

100

You deposit $500 in a savings account. The account earns 4% simple interest per year. What is the interest earned after 3 years?

What is $60. 

200

Convert 4.9% to a decimal.

What is 0.049

200

Use the percent equation to solve:
The local bakery sells 150 donuts a day. If 70% if these donuts are sold in the morning, how many donuts are sold in the morning?

What is 105 donuts

200

The original price of strawberry was $5.99. The markup is 10%


Use the:    Markup/markdown    =         Percent        x      OG

                   (Amount)                        as decimal)

Remember to add the original.

What is 6.59


$5.99 + (0.10 × $5.99) 

$5.99 + $0.599 = $6.589

200

You deposit $600 in an account. The account earns $36 simple interest in 4 years. What is the annual interest rate?  

What is 1.5% 

300

Convert .008 to a percent

What is 0.8%

300

Use the percent equation. 

0.5% of all statistics are true. If you have a list of 1,400 statistics. How many are true?

What is 7 statistics.

300

The original price of a bag of apples was $8.50. The store applied a 15% markup.


Use the:    Markup/markdown    =         Percent        x      OG

                   (Amount)                        as decimal)

Remember to add the original.

What is $9.78 


$8.50 + (0.15 × $8.50) 

$8.50 + $1.275 = $9.775

300

How long does it take an account with a principal of $800 to earn $120 in interest at a simple annual interest rate of 5%?

What is 3 years

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