This or That
Which shoes are the better buy?
Jordan's : $115 ON SALE for 20% off
Dunk's: $130 ON SALE for 30% off
What are the Dunks
Jordans cost $92
Dunks cost $91
Emily got Dunkin for breakfast. Her total was $9 before tax. There was a 7% tax rate.
How much did she end up paying for her meal?
What is $9.63
0.07 x 9 = 0.63
9 + 0.63= 9.63
What is the percent error?
Actual measurement of 30in
Measured length of 28in
What is 6.7%
The error is 2in
2/30=0.066667 x 100 =6.7%
A car is 180 inches long. A truck is 75% longer.
How long is the truck?
What is 315 inches
0.75 x 180 = 135
180 + 135 = 315
A store is having a 20% off sale. The regular price of a T-shirt is $18.
What is the discount price?
What is $14.40
0.2 x 18 = 3.60
18-3.60=14.40
Which is the better buy?
40oz Stanley : $50 ON SALE for 20% off
40oz Owala : $40 ON SALE for 15% off
What is the Owala
Stanley costs $40
Owala costs $34
You eat at your favorite restaurant. Your bill is $35 dollars. You want to leave a 20% tip.
How much do you leave?
What is $7
0.2 x 35 = 7
What is the percent error?
The weatherman estimated we would get 6in of snow, but we actually only got 4in of snow.
What is 50%
the error is 2in
2/4=0.5 x 100 = 50%
A store buys a PlayStation 5 for $300. They make it up 60%.
How much will they charge customers for the PlayStation?
What is $480
0.60 x 300 = 180
300 + 180 = 480
What is the new population of Whosville?
Last year the population of Whosville was 475 people. The population decreased 10% from last year.
What is 427.5
0.10 x 475=47.5
475 - 47.5 =427.5
Which is cheaper?
One barber shop is charging $30 for a low taper fade, with a $10 off coupon
Another barber shop is also charging $30 for a low taper fade, with 20% off
What is the first barber shop.
First barber will cost $20
Second barber shop will cost $24
You are looking to buy a new bike, the price tag says $150. There is 6% sales tax.
How much will you actually pay for the bike?
What is $159
0.06 x 150 = 9
150 + 9 = 159
What is the percent error?
Diego measured the length of a pen to be 22 cm. The actual length of the pen is 23 cm.
What is 4.3%
The error is 1cm
1/23=0.0434 x 100 = 4.3%
Tyler's brother earns $12 per hour working at the car wash. They offer him a raise of 5% increase per hour. How much will his brother be making per hour after the raise?
What is $12.60
0.05 x 12 = 0.60
12 +0.60 = 12.60
Lin buys McDonald's for lunch. Her total is $20, but she has a 15% off coupon. How much does she actually pay for her meal.
$17
0.15 x 20 = 3
20-3 = 17
Which is the better buy, the set or both separately?
Essentials Sweatshirt and Sweatpants set for $150
or
Essentials Sweatshirt for $85
Essentials Sweatpants for $85 BOTH ON SALE 20% off
What is buying them separately.
Each will cost $68 after sale, for a total cost of $136
You get breakfast at the diner with your friends. The bill is $55. You decide to leave a 20% tip.
How much do you leave for the tip?
What is $11
0.2 x 55 = 11
What is the percent error?
Sally estimated that there was 230 jellybeans in a jar. After counting, there was actually 236 jellybeans in the jar.
What is 2.5%
The error is 6 jellybeans
6/236=0.0254 x 100= 2.5%
The store bought a pair of Uggs for $50 and sold them for $80.
What is the percent markup?
What is 60%
80-50 =30 (the Uggs were marked up $30)
30/50 = 0.6 x 100 =60%
What is the new cost of the car?
A brand new 2025 Mustang costs $32,000.
The dealership is offering a 15% discount.
What is $27,200
0.15 x 32000 = 4800
32000-4800=27200
Which is the better buy?
Takis : $2 ON SALE buy one get one free
Doritos : $4 ON SALE 50% off
What is Takis
2 bags of Takis for $2
1 bag of Doritos for $2
You are out to dinner. The bill is $67 before tax. You leave a 20% tip for the waitress and then there is a 7% tax rate.
How much do you pay in total?
Hint: 20% is out of the $67 and the 7% tax is out of the bill
What is $85.09
Tip: 0.2 x 67 = 13.4
Tax: 0.07 x 67 = 4.69
67 + 13.4 + 4.69 = $85.09
What is the percent error?
Joe guessed that it was 70 degrees outside.
After checking the temperature, it was actually 74 degrees out.
What is 5.4%
The error is 4 degrees
4/74=0.054 x 100= 5.4%
What is 300%
1200-300=900
900/300 = 3 x 100 = 300%
A store is having a 20% off sale. The discounted price of a hat is $18.
What is the regular (original) price?
What is $22.50
20% off means you are paying 80% of the price.
18/80=x/100
18 x 100 =1800 / 80 = 22.50