Percent Increase
A penny is 16 mm wide. A quarter is 75% longer than the penny. How wide is the quarter?
28 mm
Mariah has a coupon for 25% off. If the regular price of an item is y dollars, what is the discount price in dollars? Write your answer as an expression
y - .25y OR 0.75y
A restaurant bill comes to $50. If the sales tax is 8%, how much will the total bill be after tax?
$54
Diana measured the length of a penny to be 17 mm. The actual length of the penny is 16 mm. What is the percent error for Diana's measurement
6.25%
Kris has a coupon for 10% off at his favorite clothing store. He uses it to buy a shirt and a hat. The regular price of a hat is $25. What did Kris pay for the hat?
$22.50
Tina's sister earns $12 per hour. The store offers her a raise—a 6% increase per hour. After the raise, how much will Tina’s sister make per hour?
$12.72 an hour
Mariah has a coupon for 15% off. If the regular price of an item is d dollars, what is the discount price in dollars? Write your answer as an expression
d - 0.15d OR 0.85d
James has a bill of $120 at a restaurant. He wants to leave a 15% tip. How much will the total amount he pays (including tip) be?
$138
A tree was measured to be 42 feet tall. It's actual height is 43.2 feet. What is the percent error of the tree's height
2.78%
Kris has a coupon for 10% off at his favorite clothing store. He uses it to buy a shirt and a hat. If he paid $27 for the shirt, how much did the shirt originally cost?
$30
A book was bought for $20 and sold for $36. What percentage was the markup?
80%
Mariah is selling an item marked up by 20%. If the regular price of an item is x dollars, what is the discount price in dollars? Write your answer as an expression
x + 0.20x or 1.20x
Christina makes 2.5% of the amount books she sells. Last week, she sold $600 worth of furniture. How much was her commission?
$15
A student measures the boiling point of water to be 98.5°C. The actual boiling point is 100°C. What is the percent error in the student's measurement?
1.5%
Kris has a coupon for 20% off at Nike. He uses it to buy a pair of shoes. If the shoes originally cost $120, what did Kris pay for the shoes?
$96