Converting between Fractions, Decimals and Percents
Convert to a decimal: 6%
0.06
What is the percent proportion?
percent/100 = part/whole
Which situations represent a percent increase? Check all that apply.
a) tax
b) tip
c) mark up
d) discount
a,b,c
If a cat weighs 5 pounds at one visit and then 8 pounds at the next. What is the percent change?
60% increase
Choose two expressions to represent the sale price if the original price is p and the item is marked 25% off.
a) p + 0.25p
b) p - 0.25p
c) p + 0.25
d) p - 0.25
e) 1.25p
f) 0.75p
(b) and (f)
Convert to a fraction in lowest terms: 30%
3/10
22 is 44% of what number?
50
You go out to eat and your bill comes to approximately $45. You want to leave a 20% tip. How much of a tip would you leave?
$9
Your power points in your video game went from 120 to 80. What was the percent of change?
33.333...% decrease
A prize was given to whoever could guess closest to the number of jelly beans in the jar. The winner guessed that there were 520 jelly beans. There were actually 550 jelly beans. What was the winner's percent error? (Round to the nearest hundredth of a percent)
5.45%
Convert to a decimal: 135%
1.35
What percent of 20 is 15?
75%
You are selling your artwork. It costs you $20 in supplies to create the artwork. You want to mark up the price 80% to account for the hard work that went into creating the piece. How much would you charge for your artwork?
$36
You put $500 in a savings account. How much interest will you earn in 3 years if the interest rate is 2%?
$30
Ms. Rensko estimated that 6 Blue cluster students would be absent on the day of the test. There were actually 4 students absent. What was her percent error?
50%
Convert to a fraction in lowest terms: 125%
5/4
80% of what number is 20?
25
You are buying a new bike for $398. How much will the bike cost including the Massachusetts 6.25% tax? Round to the nearest cent (hundredths place.
$422.88
You want to take a loan out to buy your first car. The loan is for $20,000. If you take 5 years to pay off the car and the interest rate is 5.5%, how much will you end up paying the bank in total?
$25,500
The seller marked up the price of the item by 32%. If d represents the price before the mark up, write two expressions that would represent the price after the mark up.
d + 0.32d
1.32d
Convert to a decimal: 0.8%
0.008
What percent of 600 is 750?
125%
You go to buy a book at the store. The price of the book was $19.50. There is a sign saying the book is 30% off. The sales tax is 6.25%. Find the sale price of the book to the nearest cent.
$14.50
You owe $500 on your credit card. If your interest rate is 17.99% how much will you pay in interest after 6 months? Round to the nearest cent.
$44.98
Before taking her dog Lucy to the vet, Ms. Rensko estimated that Lucy would weigh 72 pounds. When she was weighed at the vet, Lucy actually weighed 68 pounds. What was Ms. Rensko's percent error? Round to the nearest hundredth of a percent.
5.88%