Percent of a number/ Estimation
Find 20% of 50
10
Find the number. Round to the nearest tenth if necessary.
What percent of 65 is 13?
20%
Find each percent of change. Round to the nearest whole percent if necessary. State whether the percent of change is an increase or decrease.
Original: 45
New: 30
33% decrease
Find the total cost to the nearest cent.
$24 lunch; 15% tip
$27.60
Find the sale price to the nearest cent.
$18.95 football; 15% discount
8% of $300 is how much?
$24
Find the number. Round to the nearest tenth if necessary.
33 is 50% of what number?
66
Find each percent of change. Round to the nearest whole percent if necessary. State whether the percent of change is an increase or decrease.
Original: $87.05
New: $100
15% increase
Find the total cost to the nearest cent.
$74.95 jacket; 5% tax
$78.70
Find the simple interest earned to the nearest cent.
$740, 3.25%, 2 years
$48.10
What is 12.5% of 60?
7.5
Find the number. Round to the nearest tenth if necessary.
What number is 10.4% of 13?
125
Find each percent of change. Round to the nearest whole percent if necessary. State whether the percent of change is an increase or decrease.
Original: 20.8
New: 12.2
41% decrease
Find the total cost to the nearest cent.
$185 record player; 6% markup
$196.10
Find the sale price to the nearest cent.
$72 game; 20% discount
$57.60
24% of 36
8.64
Find the number. Round to the nearest tenth if necessary.
65% of what number is 78?
120
Cary planted 35 poppy seeds last year. This year she plans to plant 55 seeds. Find the percent of increase in the number of poppy seeds to the nearest tenth.
57.1%
Ethan took his family out for dinner. He planned to leave a 20% tip on the bill. What is the total cost if the bill was $124.60?
$149.52
How much interest will Candice earn in 4 years if she deposits $630 in a savings account at 6.5% simple interest?
$163.80
A local college recently reported that enrollment increased to 105% percent of last year. If enrollment last year was at 16,114, about how many students enrolled this year? Round to the nearest whole number.
16,920 students
Charlotte has $3 in her wallet. If this is 12% of her monthly allowance, what is her monthly allowance?
$25
In the seventh grade, Emery read 13 books. In the eighth grade, she read 19 books. Find the percent of increase in the number of books Emery read to the nearest tenth.
46.2%
Thomas ordered a computer on the internet. The computer cost $1,299 plus 6.5% sales tax. What was the total amount Thomas paid for her computer?
$1,383.44
William bought a new phone case that was on sale for $18.75. If this price represents a 30% discount from the original price, what is the original price to the nearest cent?
$26.79