Percent to Decimal/Decimal to Percent
General Percent Questions
Sales Tax, Tip, Discount
Simple Interest
100
Convert 120% to a decimal.
What is 1.2
100

If 48% of 25 people like blue jolly ranchers. How many people like blue jolly ranchers?

What is 12 people. 
100
How much would a bicycle cost if it were marked down 15% from its original price of $289?
What is $245.65.
100
Name the simple interest formula and state what each variable stands for.
What is I = prt I = interest p = principal r = % as a decimal t = time in years
200
Convert 4.9% to a decimal.
What is .049
200

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 afternoon?

What is 45 donuts

200
If a sweater costs $37.99, and the sales tax is 6%, what is the total price of the sweater?
What is $40.27.
200
If you invest $1200 in an account that pays 13.2% simple interest, what is the balance of the account after 4 years?
What is $633.60
300
Convert .008 to a percent
What is 0.8%
300

John flips a quarter. It falls on tails 6 times, if this 30% of the time. How many times did he flip a quarter.

What is 20 times.

300
A certain container of mouthwash usually costs $2.99 at a store. If it is on sale for 20% off, how much does the mouthwash cost now?
What is $3.59
300

If you buy a necklace for $400 on your credit card, which charges 21.3% simple interest, how much interest will be added after 2 years?

What is $340.80

400
Convert 3.1 to a percent
What is 310%
400

A store paid $75.29 for a couch. To make a profit, the store charged 270% of the cost. What is the price tag the store puts on the couch?

What is $208.28

400

Elvira gets a 15% discount on a $68.53 purchase at a certain department store because she works there. What was the amount of the discount?

What is $10.28.

400

Find the total amount in an account if you place $76.43 into an account that pays 2.5% simple interest, and leave it in for 6 years.

What is $87.89

500
Convert 0.07% to a decimal
What is .0007
500

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

What is 7 statistics.

500

If a stereo is sold for $59.99 and has sales tax of 7%. How much tax would be added to the price for the stereo?

What is $4.20

500

If you take out a loan for $550 at 7.2% simple interest how much do you owe in total after 6 months?

What is $569.80.

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