Percent Basics
What is 23% written as a decimal?
What is 15% of 362?
54.3
A chorus has 150 students and 26% are seniors. Find the number of seniors in the chorus.
39 seniors
Mrs.Harris bought a $32 mug that was 15% off. How much was the discount?
$4.80
If gas was $3.15 in September and $2.90 in October, is this a percent increase or decrease?
Percent Decrease
What is the percent proportion look like?
is/of = %/100
or
part/whole = %/100
What percent of 450 is 375?
83.33333% or 83.3%
Kate spent 53% of her $908 paycheck. How much money did she spend?
$481.24
Mr.Putnam purchased a new school bus for $120,000. Sales tax is 5.5% How much will he spend?
$126,600
A phone plan originally cost $96 per month. After a discount, the new price is $60 per month. What is the percent change in the cost of the phone plan?
37.5% decrease
What does the percent equation look like?
part = whole(percent as a decimal)
40.2 is 67% of what number?
60
In a class of 30 students, 60% passed a math test. How many students passed the test?
18 passed
Ms.Woods wants to buy a $128.25 coat. She has a coupon for 35% off. How much does she spend?
$83.36
A store raises the price of a gadget from $45 to $58. Determine the percent change, round to the nearest tenth of a percent.
28.9% increase
What is 8.5% written as a decimal?
0.085
6 4/5 is 25% of what number?
27.2
Maya read 75% of a 48-page chapter. How many pages does she still need to read?
12 pages left in the chapter
You have a coupon for $15 off a pair of sneakers, then the sale price is subject to 7% sales tax. If the sneakers originally cost $120, compute the final price after the coupon and tax.
$112.35
A phone subscription is reduced from $84 to $63.60 after a promotion. Determine the percent change, round to the nearest tenth of a percent.
24.3% decrease
What is 2/3 written as a percentage?
67% or 66.67% or 66.6666...%
During one month, 40% of Amy’s total phone minutes were used to call her cousin. If Amy talked to her cousin for 348 minutes, how many total phone minutes did Amy use that month?
870 minutes
A school sold 70% of the 60 tickets available for a dance. How many tickets are still unsold?
18 tickets are left
The price per pound of steak was $4.60 and it was marked up 20%. How much would it cost to buy 6 pounds of steak?
5.52(6) = $33.12
A ski resort recorded an average of 72,000 visitors per weekend in February. By April, the average dropped to 27,000 visitors per weekend. Find the percent change in the average number of visitors per weekend.
62.5% decrease