Ratio Basics
Party Mix Makes 8 cup |
3 cups pretzels |
3 cups bagel chips |
1 cup cheese crackers |
1 cup peanuts |
Write a ratio (in 3 different forms) for total party mix to pretzels.
8 to 3; 8/3; 8:3
Gordon types 1,800 words in 25 minutes. How many words per minutes is this?
72 words/1 minutes
72 words per minute
The height of a doorway is 2 yards. What is the height of the doorway in inches?
72 inches
Write 80% as a decimal and a fraction.
0.8
2/5
Calculate 5% of 30
1.5
Write three ratios equivalent to the ratio: 8/10
80/100; 4/5; 12/15...
There are 156 players on 13 teams. How many players are on each team?
12 players / 1 team
12 players per team
An oak tree is planted when it is 250 centimeters tall. What is the height in meters?
2.5 meters
Write 3/4 as a decimal and a percent.
0.75
75%
45 is what percent of 250?
18%
The ratio of boys to girls on the bus is 20 to 15. Write three equivalent ratios.
4/3; 200/150; 8/6...
Greta uses 3 cups of pasta for every 3/4 cup of sauce. How much pasta does she use per cup of sauce?
4 cups of pasta
A football field has dimension 120yd by 53 1/3 yd. What are the dimensions of the football field in feet?
360 yd by 160 yd
Write 0.05 as a fraction and percent.
1/20
5%
Melanie finds a shirt on sale for 15% off at Marshall's The original price was $30. How much will the shirt cost before tax?
$25.50
R'Nia needs to mix 2 cups of orange juice concentrate with 3.5 cups of water to make orange juice. R'Nia has 6 cups of concentrate. How much water will he need to add to make orange juice?
10.5 cups of water
Paige mows 1/6 acre in 1/4 hour. How many acres does Paige mow per hour?
2/3 acre per hour
The mass of a textbook is about 1.25 kg. About how many pounds is this?
about 3 lbs
(2.75lbs)
Justine answered 68 questions correctly on an 80-question test. Express this amount as a fraction, decimal, and percent.
68/80 = 17/20
.85
85%
Martin borrowed $2,000 from the bank at a rate of 7% simple interest per year. How much interest did he pay in 5 years?
$700 interest
A collector has 120 movie posters to 100 band posters. She want to sell 24 movie posters but still maintain the same ratio. If she sells 24 movie posters, how many band posters should she sell?
12:10 = 24:20
20 band posters
The pay-as-you go cell phone plan is 1/2 hour for $1.25. What is the unit rate in dollars per hour?
$2.50 per hour
Which container holds more, a half-gallon milk jug or a 2-liter juice bottle? Expain
a half-gallon milk jug
1 gallon is about 3.79 liters so
1/2 gallon is about 1.9 liters which is less than 2-liters
At Brian's Bookstore, 0.3 of the shelves hold mysteries, 25% of the shelves hold travel books, and 7/20 of the shelves hold children's books. Which type of book covers the most shelf space in the store? Explain how you arrived at your answer.
children's books
possible explanation...
percents are very easy to compare so I converted all the numbers to percents: 0.3 = 30% ; 25% ; 7/20 = 35/100 = 35% ; 35% is the greatest and that is children's books
Teresa's restaurant bill comes to $29.99 before tax. If the sales tax is 6.25% and she tips the waiter 20%, what is the total cost of the meal?
tax = $1.87
subtotal = $31.86
tip = $6.37
total = $38.23
(in reality would probably round the tip to $7 and add that to $31.86 to get $38.86)