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Mixed Review
Percent Proportion/Percent Equation
Percent Change/Percent Error
Sales Tax, Tip, Discount
Simple Interest
100

Convert 2% to a decimal.

What is 0.02

100

If 12 out of 25 people like blue jolly ranchers. What percent of people like blue jolly ranchers?

What is 48% of people

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
How much would a bicycle cost if it were marked down 15% from its original price of $289?
What is $245.65.
100

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 $1,833.60

200

Order the numbers from least to greatest. 

3/7, 42%, 0.418

What is 0.418, 42%, 3/7

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 morning?

What is 105 donuts

200
A student estimates the mass of an object to be 325g. The actual mass is 342g. What is the percent error of the students calculation?
What is 5%.
200

How much would a $37 item cost after a 15% markup?

What is $42.55

200
If you buy a necklace for $400 on your credit card, which charges 21.3% simple interest, how much interest will be added after 15 months?
What is $106.50
300

Solve for x

x - 4 = 5 

10        2

x = 29

300

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

On Tuesday, Nash made 231 free throws on Wednesday he made 258 free throws. What is the percent change in his free throws? Round to the nearest tenth of a percent. State whether this is increase or decrease.

What is 11.7% increase.

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 after paying 6.5% tax?

What is $2.55

300
Find the interest earned if you place $76.43 into an account that pays 21.5% simple interest, and leave it in for 3 months.
What is $4.11
400

When Ms. Johnson preheated her oven, the oven's temperature rose 5 degrees in 1/3 of a minute. At that rate, how much will the oven heat up in 1 minute?

What is 15 degrees.

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 $203.28

400

Tanner heard that the movie streaming service he subscribed to would be raising its rates. He guessed it would only go up $1.50 per month, but the actual increase was $2.50 per month. What is the percent error for his guess? 

What is 40%

400

Cleats are on sale for 40% off. The new price is $33. What was the original price of the cleats?

What is $55.

400

You take out a loan for $2000 at a 8% interest rate. You will pay $800 in interest. How long did you have the loan for?

What is 5 years.

500
The ratio of children:adults is 4:1. If there are 5 adults present, how many total people do you expect to be present?

What is 25 people.

500

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

What is 20 times.

500

The customers of Rhythm Time, an online music service, downloaded 5,789 songs this year. That number is 30% lower than last year. How many songs did they download last year?

What is 8,270 songs.

500

A purse was marked up 30%. It is now being sold for $280. What was the original price of the purse?

What is $215.38.

500

If you take out a loan for $550 for 6 months and your total interest owed is $19.80. What interest rate did you pay?

What is 7.2%