Ratios and Percents
In some lion prides, the ratio of female to male lions is 3:1. What percent of the lions are male?
25%
What is the percent of change of 136 to 85?(Rounded to the nearest tenth) Identify if it is an increase or decrease.
37.5% decrease
What is the total cost of an $18 breakfast with a 7% sales tax?
$19.26
What is the total cost spent on a $20 haircut with a 10% tip?
$22.00
A pair of $80 boots are going on sale for 25% off. What is the sale price?
$60
Find the Simple Interest earned for $530, 6%, 1 year.
$31.80
96 is what percent of 300?
32%
When Aaron was 9 years old, he was 56 inches tall. Aaron is now 12 years old and he is 62 inches tall. Find the percent of increase in Aaron's height to the nearest tenth.
10.7%
Emily wants to buy new boots that cost $68. The sales tax rate in her city is 5 1/2 %. What is the total cost for the boots?
$71.74
What is the new price of a $185 TV with a 5% markup?
$194.25
Madden 2022 is originally priced at $99. It is on sale for 40% off the original price. Find the sale price of the game, rounded to the nearest cent.
$59.40
Find the simple interest earned $750, 7%, 3 years.
$157.50
A flower vendor sells tulips and roses at a ratio of 3:7. What percent of the flowers sold are roses?
70%
In 2015 VPAA sold 236 year books. In 2016 VPAA sold 212 year books. What is the percent of change from 2015 to 2016, rounded to the nearest tenth?
10.2%
Mr. Carter stayed in a hotel room for 3 nights at $210 per night. The hotel room tax rate in the city is 12%. What is the total cost for the hotel?
$705.60
Dereon is selling clothes for a fashion show event. The wholesale cost of the materials for one outfit is $9.38. If she sells an outfit for $15, what is the percent markup? Round to the nearest percent.
60%
A swimsuit is on sale for $45.50. If the sale price is discounted 5% from the original price, what was the original price? Round to the nearest cent.
$47.89
Marc deposits $840 into a savings account. The account pays 2% simple interest on an annual basis. If he does not add or withdraw money from the account, how much interest will he earn after 6 months?
$8.40
A shoe collector has the following shoes in her inventory 20% Yeezys, 35% Dunks, 15% Vans, 30% Louboutins. What is the ratio of Dunks to all shoes in her collection?
3:20
A student population of 1,200 was estimated to increase by 15%. It actually increased by 20%. Find the estimated and actual student populations and the percent of error rounded to the nearest tenth.
Estimated = 1,380
Actual = 1,440
Percent Error = 4.2%
Samantha spends $30.45, before tax at the bookstore. If the sales tax rate in her city is 7.25% and Samantha started with $40, how much money does Samantha have left?
$7.34
Isabella needs to earn $3000 a month for her savings goal. How much does she need to sell if she earns a 15% commission on everything she sells?
$20,000
A shoe store buys packs of socks wholesale for $5 each and marks them up by 40% to sell. 6 months later the store decides to put these socks on sale for 40% off. What is the new sale price of the socks.
$4.20
Jarvis is buying a boat that costs $6,000. He has $500 for a down payment. He is deciding between a 2-year loan and a 3-year loan. Use the rates in the table to determine how much money he will save if he chooses the 2-year loan instead of the 3-year loan. Round to the nearest cent.
Time (years) Simple Interest Rate (%)
1 1.5
2 2.25
3 3.0
$247.50
A baseball and softball facility offers batting lessons and fielding lessons to its members. There are 850 members, all of which are registered for at least one lesson. If 80% of members registered for a batting lesson and 56% registered for a fielding lesson, how many members registered for both batting and fielding?
306
Each of Mrs. Kustra's two children received $50 for their savings account. The original amounts in their savings accounts were $500 (for child A) and $300 (for child B). Which child's savings account had a greater percent of increase?
Child B
Dario is trying to decide between two cities to travel to for a weekend trip. The prices for a hotel room for two nights and the hotel tax rate are as follows:
Hotel A - Cost $250 - Tax Rate 12.5%
Hotel B - Cost $215 - Tax Rate 14.75%
What is the difference in cost between the two cities for a weekend trip? Round to the nearest cent.
$34.54
Ernesto is buying supplies to make and sell a painting He bought a frame and canvas for $125 which include tax. Then he bought a set of paint brushes for $12.50 and paint for $19.50 both of which have to add a 7% sales tax.
Ernesto decides to calculate the total he spent on the frame, canvas, paint brushes and paint and add a 115% markup for the price of his painting. How much did he charge for his painting? Round to the nearest cent.
$342.37
A pet store is selling Aquarium A that is originally $118 for 30% off. They are selling Aquarium B that is originally $110 for 25% off. Which Aquarium is the cheapest and what is the difference in the sale price?
Aquarium A; $0.11
Suppose Serena invests $2,500 for 3 years and 6 months and earns $328.13. What was the rate of interest?
3.75%