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Ratios & Rates
Unit Cost
Proportions
Percents, Decimals and Fractions
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100
Write this ratio in simplest form. 9 to 81
1 to 9
100
Find the unit cost of 12 ounces of cereal for $2.99.
$0.25/ounce Your answer must be labeled with a dollar sign and /ounce!
100
Do these two ratios form a proportion? Yes or No. 93/60 , 62/40
Yes
100
What is 42% as a fraction in simplest form?
21/50
100
A babysitter earns $18.00 for four hours of work. How much does she earn per hour?
$4.50/hour
200
A car can travel 25 miles on one gallon of gas. How far can the car travel on 8 gallons of gas?
200 miles
200
Find the unit cost for 8 ounces of rice for $1.95.
$0.24/ounce Must be labeled!!
200
Solve the proportion. 2/7 = 9/y
y=31.5
200
0.01 is equivalent to what percent?
1%
200
Use the scale of 1cm = 100 km. The actual distance between two towns is 80 kilometers. What is the distance on a map?
0.8 cm
300
Sophia can read 15 pages in 30 minutes. Find the unit rate.
1/2 page per minute or .5 pgs/min.
300
Which is the better buy? 12 ounces for $2.99 or 16 ounces for $3.59?
16 ounces for $3.59
300
You buy six candy bars for $2.97. Find the cost of 16 candy bars.
$7.92
300
You answer 29 questions correctly on a 40 question test. What percent of your answers are correct?
72.5%
300
The height of a dog in a drawing is 4 centimeters. The actual height of the dog is 80 centimeters. What is the scale of the drawing?
1cm:20cm Your answer must be written as a SCALE and labeled!
400
Which unit rate is greater? Allison types 110 words in 5 minutes. Sandra types 208 words in 8 minutes.
208 words in 8 minutes.
400
Find the unit price. $5 for 10 pounds
$0.50/pound Your answer must be written as a unit cost!!
400
Each team in the Pipestone scoccer league has 22 players and 3 coaches. How many coaches are needed for 198 players?
27
400
What is 25% of 120?
30
400
Find a 15% tip (exact) for a bill costing $52.55.
$7.88
500
Seven out of 21 students at Tall Tales Middle School do not like cartoons. Write the ratio, in simplest form, of students who like cartoons to students who dislike cartoons.
2 to 1
500
5 pounds of apples cost $4.99. How much does 14 pounds of apples cost?
$13.97
500
A recipe calls for 5 oz of cheese to make 12 oz of dip. How much cheese would you need if you wanted to make 16 oz. of dip?
6 2/3 oz or 6.67 oz.
500
In the 6th grade class, there are 200 students with ipods. 60% of them have an ipod touch. Of those 60%, one third of them are boys. How many boys have an ipod touch?
40
500
Bugs Bunny builds a model train set. The rails of the model track are 1.5 inches apart. The actual train's rails are 57 inches apart. The actual locomotive is 76 feet long. Write and solve a proportion to find the model locomotive's length.
2 feet. The answer must be labeled! If it is not, you earn no points!