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Percent Change/Error
Part vs Whole
I = Prt
What are the chances?
100
Alyssa has her eye on a $52 coat. This weekend it is going to be marked 25% off. How much will she save?
What is $13.
100
A year ago Scott was 60 inches. He grew and now is 63 inches tall. What is the percent increase in his height?
What is 5%
100
Morgan received a 78/80 on her last test. What percent of the questions did she get right?
What is 97.5%.
100
Anazia deposited $150 in the bank at 5.5% for 4 years. How much did she earn in interest?
What is $33.
100
What is the probability of rolling a prime number on a number cube?
What is 1/2?
200
Alex saved 20% by buying a video game when it was on sale. If his savings were $6.40, what was the regular price of the video game?
What is $32.
200
At the beginning of the school year, Aekta's allowance was $8/week. After working really hard all school year, her parent's decided to give her a 30% raise. How much more money does she get each week?
What is $2.40.
200
Sarah can spend 20% of her savings to buy a new filter. If she has $230 in savings, how much can she spend on the filter?
What is $46. (might be enough for 2:))
200
Sam deposited $350 into a savings account that paid 5% in simple interest. When he withdrew his money 8 months later, how much interest did he receive?
What is $11.67.
200
How many outcomes are possible if a coin is tossed twice.
What is 4?
300
Jamie has a manicure that costs $30. She leaves a 20% tip and tax is 6%. What was the total spent?
What is $37.80.
300
Mrs. Garbach's sleep total was reduced from 10 hours per night to only 6. What was the percent change?
What is a decrease of 40%.
300
20% of 7th grade blue team students have been to Canada. If 23 students have been to Canada, how many students are on the Blue Team?
What is 115 students.
300
Stephanie borrowed $4000 from a bank the charges 8% simple interest. After 2 years she paid off the loan. What was the total amount she repaid?
What is $4640.
300
Two dice are rolled. What is the probability that the sum is 6?
What is 5/36?
400
Find the total cost if make-up costs $4.30, with a 40% discount and 6% tax.
What is $99.36.
400
Find the percent change in the perimeter of a square if its side length of 3cm is tripled.
What is 200%.
400
Maelys earned $52 in commission selling magazine subscriptions at Corn Hill. If this represents 8% of her total sales, how much were her sales?
What is $650.
400
Sophie took out a 4 year loan of $8000. The interest rate was 10½. What was the total she paid back after 4 years?
What is $11360.
400
A number cube is rolled and a letter is selected from the word AMERICA. Find: P(less than 4 and a vowel)
What is 1/7?
500
A pen set is on sale for $4.90. If this price represents a 60% discount what was the original price?
What is $12.25
500
Mrs. Strahle estimates the weight of her cat to be 10 pounds. The actual weight of the cat is 13.75 pounds. Find my percent error.
What is 27%
500
Vanissa earned $4200 at 3% commission on the sale of a house. What is the total amount the house sold for?
What is $140000.
500
Emily earned $9 in interest on $1200 she deposited in the bank for 9 months. What was the interest rate?
What is 1%.
500
Maddie is packing for a trip. In her closet there are 3 red, 4 black, 2 green, and 2 yellow shirts. She randomly selects 2 shirts. What is the probability that she will choose 2 green shirts.
What is 1/55?
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