What are
1. Change the percent to a decimal
2. Multiply the decimal to the original number
3. Add the amount for the tax or tip to the original number
100
Steps to finding discount or markdown
What are
1. change the % to a decimal
2. multiply the decimal by the original number
3. subtract the discount
100
Steps for finding markup or commission
What are
1. change the % to a decimal
2. multiply the decimal by the amount paid or earned (sold)
3. Add the mark-up to the original cost or add commission earned to salary
100
Steps for finding the % of change
What are
1. find the difference between the original number and the new number
2. set up a proportion by putting the difference in the numerator and the original number in the denominator
3. Cross multiply by x/100 and solve for the variable
4. determine if it is a % of increase or % of decrease
100
Steps for finding percent of error
What is
1.estimated - actual/actual
2. cross multiply by x/100 solve for x
200
An item costs $12.50 and has a sales tax of 5.65%. Find the tax. Round to the nearest hundredth
What is .71
200
If an item costs $35.00 and it is discounted 25% what is the final cost?
What is $26.25
200
original cost is $42.00 and is marked up 18% to be resold. What is the price after the markup?
What is $49.56
200
If the original amount was $3.78 and the new amount is $2.50 what is the percent of change to the nearest hundredth? Is it a percent of increase or decrease?
What is 33.86% decrease
200
If you guessed Katy Perry was 25 years old but she was really 30. What is the percent of error?
What is -16.66% of error
300
Find the tax for an item that costs $220.16 with a tax rate of 9.5%.
What is $20.92 ($20.9152)
300
Cost of a TV is $450.50. It has been discounted 55%. what is the final cost.
What is $202.72
300
$14.98 marked up 70% is how much?
What is $25.47
300
If Jimmy had 66 dimes last week and now he has 30 dimes what is the percent of change? It is an increase or decrease?
What is 54.54% of decrease
300
You estimated Dylan would score 24 points in the school basketball game. On the day of the game he hurt his ankle and scored 10 points what was your percent of error?
What is 140% of error
400
Rick brought 3 shirts for $18.00 each, 2 pair of socks for $3.99 a pair, and a pair of slacks for $45.00. The sales tax rate is 8.5%. How much did he pay?
What is $106.98 + 9.09= $116.07
400
Bill found the skate board for $240.50. There was a sale and it was marked down 60%. What did Bill have to pay?
What is $92.20
400
The grocery store buys Farmer Brown's apples for .33 a pound. It marks up the apples 150% before reselling them to the public. How much a pound did the store sell the apples for?
What is $.83 per pound
400
Megan had 15.6 liters of water before she left on her trip. Now she has 11.4 liters what is the percent of change? Is it a percent of increase or decrease?
What is 26.92% of decrease
400
Henry Heavyfoot was just arrested for speeding traveling 65mph in a 55 mph zone. Henry claimed his speedometer said 55 mph not 65 mph. What was Henry's percent of error
What is 15.38% of error and a ticket!
500
Nate buys 3 pencils for $1.50, an eraser for $1.25, a ruler for $0.75 and a notebook for $3.00. Sales tax is 9.25%. Will $10.00 be enough to buy all these items? Explain
What is $9.50 + .88 = $10.38. No Nate does not have enough money.
500
On vacation the Vannoy family spent $819.00 for their hotel room, skies, food, and gas. They put it on their credit card and received a 8% discount. How much did the Vannoy's wind up paying for their trip?
What is $753.48
500
Jessie worked at American Eagle Outfitters. He got a commission of 3% for everything he sold. On Saturday JEssie sold $625.00 worth of items from the store. What was his commission?
What is $18.75
500
The first Toy Story movie made 54 million dollars. The second movie in that series made 191 million dollars. What was the percent of change? Was it an increase or a decrease?
What is 253.70% of increase
500
Pretty Patty Pestilence has casually recored her grades for the nine weeks in her notebook. She concluded that she has 250 points out of 300. However her teacher determined she had 225 points out of 300. What was Patty's percent of error?