I
Write the decimal as a percent.
0.079
7.9%
Write the percent as a decimal.
221%
2.21
Write the fraction as a percent and as a decimal.
43/100
43%, 0.43
Write the fraction as a decimal.
7/20
0.35
30%
What number is 70% of 70?
49
91 is 130% of what number?
70
Find the percent of change. Identify it as an increase or decrease.
6 yards to 36 yards
500% increase
Find the simple interest earned and the account balance. (Balance = Principal + Interest)
P = $300, r = 4%, t = 3 years
I = $36
Balance = $336
Find the annual interest rate.
I = $17, P = $500, t = 2 years
r = 1.7%
You deposit $400 in an account. How long does it take the account to earn $60 simple interest with a simple interest rate of 5%?
3 years
Find the percent of change. Identify it as an increase or decrease.
120 meals to 50 meals
58.3% decrease
The original price of a backpack is $60. There is a Back-to-School sale with a 15% discount. Find the sale price.
$51
A pair of shoes is on sale for $75 after a 20% discount. What was the original price of the shoes?
$93.75
A store pays $50 for a sweatshirt. The markup is 25%. What is the selling price for the sweatshirt?
$62.50
Order the numbers from least to greatest.
0.33, 30%, 1/3, 0.33%
0.3% (0.0033)
30% (0.3)
0.33
1/3 (0.333333333...)