Percent to Decimal/Decimal to Percent
Percentages
Percent Change
Sales Tax, Tip, Discount
Commission and Interest
100

42% written as a decimal

What is .42

100
50% of 42?
What is 21?
100

A fruit drink that was sold in 16-ounce containers is now sold in 20-ounce containers. What is the percent of change in quantity? State whether this is an increase or a decrease.

What is 25% increase.

100

A shirt costs $45. There is a 20% off discount. What is the final price?

What is $36?

100

A savings account has $1,000 and earns 5% simple interest in one year. How much interest is earned?

What is $50?

200

Convert 4.9% to a decimal.

What is .049

200
1% of 98
What is 0.98
200

A concert ticket increased from $50 to $60. What is the percent increase?

What is 20% increase?

200

A pair of headphones costs $100. A 7% sales tax is added. What is the total cost?

What is $107?

200

A savings account has $1,500 and earns 6% simple interest in three years. How much interest is earned?

What is $270?

300

1.25 written as a percent.

What is 125%

300
100% of 1,738
What is 1,738?
300

An investment grew from $2,000 to $3,000. What is the percent increase?

What is 50% increase?

300

A restaurant bill is $115. You leave a 20% tip. How much is the tip?

What is $23?

300

A salesperson earns $400 weekly plus 4% commission. One week they sell $2,000 worth of products. What is the commission earned?

What is $80?

400

Convert 3.1 to a percent

What is 310%

400

17 is 25% of a number.

What is 68?

400

A gym membership went from $80 per month to $72 per month. What is the percent decrease?

What is 10% decrease?

400

A jacket costs $240. It is 30% off. What is the sale price?


What is $168?

400

A salesperson earns $600 weekly plus 4% commission. One week they sell $8,000 worth of products. What is their total paycheck?

What is $920

500

Convert 0.07% to a decimal

What is .0007

500

10 is 20% of a number

What is 50?

500

A movie theater sold 280 tickets in the first hour. In the second hour, they sold 65% more tickets than the first hour. How many tickets were sold in the second hour?

What is 462 tickets?

500

A backpack costs $120. A 7% sales tax is added. What is the total cost?

What is $128.40

500

An account has $900 and earns 5% simple interest for 5 months. How much total interest is earned?

What is $135?