Decimals, Fractions, and Percents
Write 47/100 as a percent
47%
What number is 48% of 75?
36
You estimate that there are 45 marbles in a jar. The actual amount is 82 marbles. Find the percent error. Round to the nearest tenth of a percent.
45.1%
You deposit $600 in an account and earn $60 interest after 5 years. What is the interest rate? (write it as a percent)
2%
Percent decrease from 98 to 80. (round to the nearest tenth of a percent)
18.4%
Write 0.05 as a percent
5%
70% of what number is 35?
50
Find the percent of increase from 36 to 50. Round to the nearest tenth of a percent.
38.9%
You deposit $900 in a savings account that earns 4% simple interest per year. What is the balance after 8 years?
$1188.00
You estimate that there are 56 marbles in a jar. The actual amount is 71 marbles. Find the percent error. (round to the nearest tenth of a percent)
21.1%
Write 19% as a decimal
0.19
What percent of 25 is 6?
24%
Find the selling price of a $30 item after a 40% markup.
$42.00
You deposit $200 into an account. The account earns $15 simple interest in 3 years. What is the annual interest rate?
2.5%
Find the sale price of a $50 item after a 20% discount.
$40.00
Write 11/20 as a percent
55%
36 is 18% of what number?
200
Find the percent decrease from 2/5 to 5/15. Round to the nearest tenth of a percent.
16.7%
How long does it take an account to earn $90 in interest on $900 principal at 5% annual interest?
2 years
Find the original price of a watch that is $105 after a 30% discount.
$150.00
Write 13/50 as a percent
26%
102.5 is what percent of 125?
82%
Find the original price of a salt lamp that is $92 after a 20% discount.
$115.00
Account A has a simple interest rate of 3% and account B has a simple annual interest rate of 3.5%
How much more interest do you earn per year when you deposit X dollars in account B compared to account A?
0.05x
36 is 18% of what number?
200