Percent Problems
What is 30% of 90?
27
4/7 = x/21
12
A class has 30 students. If 2/5 of the students are wearing sneakers, how many students are wearing sneakers?
12 students
A $60 sweatshirt is 25% off. What is the sale price?
$45
1/2 \div 1/2 \div 1/2 \div 1/2
1/16
What is 45% of 80
36
If 5 notebooks cost $15, how much would 8 notebooks cost at the same rate?
$24
A school has 600 students. If 3/10 of the students are in 6th grade, how many 6th graders are there.
180 students
A pair of shoes costs $75. Sales tax is 8%. What is the total cost after tax?
$81
What number is 10 more than the quotient when 78 is divided by 1/2 ?
166
60%
A metal rod that is 9 feet long weighs 12 pounds. How much would a 15-foot rod made of the same material weigh?
20 pounds
You earned $120 this week and put 15% of it into savings. How much did you save?
$18
A restaurant bill is $48. You leave a 20% tip. What is the total amount you pay?
$57.60
Each panel of fencing material is 20/3 feet long. How many panels do I need to build a 60-foot fence?
9 panels
36 is 60% of what number?
60
A bus travels 420 miles in 7 hours. t the same rate, how long will it take to travel 300 miles?
5 hours
A concert has 750 seats. If 68% of the seats are filled, how many people are attending the concert?
510 people
A restaurant meal costs $50. Sales tax is 6%. You then leave a 15% tip based on the cost including tax. What is the final cost?
$60.95
If x, y, and z are positive integers and 2^x \cdot 3^y \cdot 5^z=54,000 , what is the value of x+y+z?
10
A school club has 32 students. If 20 students attended a meeting, what percent of the club attended
62.5%
A machine produces 240 bottles in 8 minutes. At the sme rate, how many bottles will it produce is 14 minutes?
420 bottles
A school has 1,200 students. Three-fourths of the students participate in an after-school activity. Of those students, 40% participate in a sport. How many students participate in a sport?
360 students
A car was originally worth $20,000. It loses 25% of its value during the first year and another 10% of its new value during the second year. What is the car worth at the end of the second year?
$13,500
9/5 is 2/3 of what number?
9/5