Percent to Fraction
Change from a percent to a fraction: 50%
What is 1/2?
Joshua estimates that a piece of wood measures 5 cm. If it actually measures 5.75 cm, what is the percent error of Joshua's estimate? (round to the nearest percent)
What is 13%?
.75/5.75= .13
Find the percent change and say whether it is an increase or a decrease.
Original cost: $100
New cost: $59
(59-100)/100 = -41/100 = -.41= -41%
What is 41% decrease?
The price of gasoline rose from $3.50 to $3.71 in one week. By what percent did the gas price change? Make sure to indicate whether this is an increase or a decrease.
(3.71-3.50)/3.50 = .21/3.50= .06
What is a 6% increase
What is the total cost with sales tax?
Price $17.95
Tax 6%
$19.03
Change from a percent to a fraction: 10%
What is
1/10 ?
In Game 1, Kiki struck out 3 times in 5 times at bat. In Game 2, she struck out 2 times in 4 times at bat. What percentage of times at bat did Kiki actually hit the ball, round to the nearest 10th if necessary?
Hit 4 out of 9
44.4%
Find the cost of the tickets after sales tax.
tickets: $52.50
sales tax: 7%
54.5 * 107% = 54.5 *1.07 = $58.32
What is $58.32?
A company that makes hair-care products had 2,000 people try a new hair spray. Of the 2,000 people, 8 had a mild allergic reaction. What percent of the people did NOT have a mild allergic reaction?
99.6% did not have a reaction
What is the total cost with sales tax?
Price $2.75
Tax 5%
$2.89
Write the fraction of the percent 125%.
What is
1 1/(4)
or 1.25?
A department store bought a pair of shoes for $56. If the store sells the shoes for $98 then what is the percent markup?
75%
Find the cost of the jeans after the discount.
jeans: $39.99 sales
discount: 15%
39.99 * (100%-15%) = 39.99 * 85% = 39.99 *.85 = $34
What is $34.00?
In 1995, America Online had about 3,000,000 users. Over the next decade, users are expected to increase from a few million to the tens of millions. Suppose the number of users increases by 150% by the year 2000. How many users will there be in the year 2000? Don't forget your units!
3,000,000 *1.5 = 4,500,000 users
3,000,000 + 4,500,000 = 7,500,000
What are 7,500,000 users?
What is the total cost with sales tax?
Price $6.15
Tax 7%
$6.58
Write the fraction as a percent:
2 2/(17)
Round to the nearest whole percent.
What is 212%?
Brooke and Colleen go out to lunch. If their food and beverages cost $45.25 and there is an 8% meal tax, how much is the TOTAL bill?
45.25 + 3.62 = 48.87
Find the percent change from 95 trees to 145 trees
53%
Jack hikes 128 meters up a mountain then takes a rest. If he is 60% of the way up, how tall is the mountain?
128+51.2= 179.2 meters
What is the total cost with sales tax?
Price $24.95
Tax 7%
$26.70
Write the fraction as a percent: 5
Round to the nearest hundredth of a percent.
What is 500%?
Ryker found that about 30% of his 20 classmates at school like hip-hop music. However, 25% of his 28 relatives like hip-hop. Do more classmates or relatives like hip-hop, and by how many?
6 classmates
7 relatives
Relatives, by 1
What is the cost of the skates after 20% discount and and 6.75% tax are applied?
skates: $99.99
99.99 * (100%-20%) = 99.99 *80% = 99.99 *.8 = 79.99
79.99 * (100% + 6.75%) = 79.99 * 106.75% = 79.99 *1.0675 = 85.39
What is $85.39?
You buy a pair of running shoes for $120. You receive a 10% discount because you are a member of the local running club. The sales tax is 7.5%. What do you pay?
$120 *0.9 = $108
$108 *0.075 = $8.10
$108 + $8.10 = $116.10.
What is $116.10?
What is the total cost with sales tax?
Price $120.00
Tax 5%
$126.00