Converting Fractions, Decimals, & Percents
Change the decimal below to a percent.
0.012
1.2%
What number is 20% of 80?
16
Determine if the following is a percent increase or a percent decrease.
10 inches to 25 inches
Percent Increase
Explain how to find the following:
~discount and markup amounts
~Sale Price after a discount
~Sale Price after a markup
Discount and Markup amounts: Use is/of = %/100
Sale Price after a discount: Take the original cost/price and subtract the discount amount
Sale Price after a markup: Add the original cost/price and the markup amounts
Explain what each of the variables in the formula below stand for along with how to determine what types of numbers to use for each.
I = Prt
I= Interest (the answer you get when multiplying)
P= Principal ($)
r= Rate (Percent changed to a decimal)
t= Time (in years)
Change the percent below to a decimal.
57.6%
0.576
What number is 120% of 70?
Find the percent of change for the following:
O: 2
N: 4.5
125%
The original price of a video game is $35. The discount is 25%. How much is the discount?
$8.75
You deposit $500 in a savings account. The account earns 4% simple interest per year. How much interest will you have earned after 7 years?
Use: I=Prt
$140
Change the percent below to a decimal.
0.92%
0.0092
25% of what number is 9?
36
Find the percent of change for the following:
72 paper clips to 63 paper clips
12.5%
Cleats are on sale for 40% off. If they originally cost $55, how much are they now?
$33
Find the total amount owed for the following:
$600 at 5% for 2 years
Use: I=Prt
$660
Change the decimal below to a percent.
1.0598
105.98%
15 is 30% of what number?
50
Find the percent of change for the following AND determine if it is an increase or decrease. Round your percent to the hundredths place (2 numbers behind the decimal).
O: 26
N: 18
30.77%; Decrease
Find the selling price for the following:
Cost to store: $140
Markup: 35%
$189
You borrow $1300 to buy a telescope. You must pay 11.8% simple interest on the loan. You pay the loan off in equal payments for 2 years. What is your monthly payment?
$66.95
Change the fraction below to a percent. Do not round your answer.
1/8
12.5%
What percent of 25 is 12?
48%
Last week, you finished Level 2 of a video game in 32 minutes. Today, you finish Level 2 in 28 minutes. What is the percent of change? Is this an increase or a decrease?
12.5%; decrease
Find the sale price for a pair of jeans that are originally $45 is a 30% discount is applied. Then also find the sale price for a pair of shoes that cost the store $15 with a markup of 10%.
Jeans- $31.50
Shoes- $16.50
Find the total amount of money in the savings account using the information below:
$5200 at 7.36% for 54 months
Use: I=Prt
$6,922.24