What is the ratio of 12 red marbles to 18 blue marbles in simplest form?
Ratios And Proportional Relationships
Question · Easy
Stats test: find the median
Short
A grocery store sells 3 boxes of cereal for $15.00. What is the unit rate per box of cereal?
What is 45% expressed as a fraction in simplest form?
In a class of 30 students, 18 are girls. What is the ratio of boys to total students in simplest form?
What is 25% of 80?
A car travels 120 miles in 2 hours. What is the unit rate in miles per hour?
Which ratio is equivalent to 3 : 4?
A recipe calls for 2 cups of flour for every 3 cups of sugar. How many cups of flour are needed for 12 cups of sugar?
A store sells a 6-pack of juice bottles for $4.50 and a 10-pack of the same juice for $7.00. Which pack is the better buy and by how much per bottle?
Question · Medium
A cyclist travels at a constant speed of 14 miles per hour. How far will the cyclist travel in 3.5 hours?
If 60% of a number is 42, what is the number?
A map scale shows that 2 inches represents 25 miles. If two cities are 7 inches apart on the map, what is the actual distance between them?
A worker earns $144 for an 8-hour workday. How much will the worker earn for working 14 hours at the same hourly rate?
Out of 200 survey respondents, 35% preferred tea over coffee. How many people preferred tea?
A jacket originally priced at $80 is on sale for 20% off. What is the sale price of the jacket before tax?
In a table showing a proportional relationship between time in hours (x) and pages read (y), x = 3 hours corresponds to y = 75 pages. How many pages y are read when x = 7 hours?
A printer prints 48 pages in 3 minutes. At this rate, how many seconds does it take to print 1 page?
There are 15 green apples, 9 red apples, and 6 yellow apples in a basket. What is the ratio of red apples to the TOTAL number of apples in simplest form?
A car uses 4 gallons of gasoline to travel 112 miles. How many gallons are needed to travel 280 miles?
What percent of 160 is 40?
An athlete ran 5 kilometers in 25 minutes. What is the athlete's pace in minutes per kilometer?
A recipe requires water and lemon juice in the ratio 7 : 2. If a chef uses 3.5 liters of water, how many liters of lemon juice are needed?
Question · Hard
A store marks up a wholesale item by 40%. If the wholesale price is $45 and a customer has a 10% coupon off the retail price, what does the customer pay before tax?
In a choir, the ratio of sopranos to altos is 4 : 3, and the ratio of altos to tenors is 5 : 2. If there are 15 altos in the choir, how many total students are in these three sections combined?
Machine A produces 180 parts in 45 minutes, and Machine B produces 240 parts in 1 hour and 15 minutes. How many more parts does Machine A produce per minute than Machine B?
What is (3/4) divided by (1/2)?
The Number System
What is the greatest common factor (GCF) of 24 and 36?
What is the least common multiple (LCM) of 6 and 8?
What point represents the opposite of -7 on a number line?
What is the value of |-15|?
In which quadrant of the coordinate plane is the point (-4, 5) located?
Calculate 45.6 + 18.75.
What is 8.4 multiplied by 0.5?
Which inequality statement correctly compares -9 and -4?
Calculate (5/6) divided by (2/3).
A wooden board is 7 1/2 feet long. How many 3/4-foot long pieces can be cut from the board?
Divide 156.6 by 0.45.
Find the GCF of 42 and 70 using prime factorization.
Hot dogs come in packages of 10 and hot dog buns come in packages of 8. What is the smallest number of hot dog packages and bun packages you must buy to have an equal number of hot dogs and buns?
What is the distance between the points (-3, 4) and (-3, -8) on a coordinate plane?
Evaluate the expression: |-12| - |7| + |-5|.
Express 36 + 48 as the product of their greatest common factor (GCF) and a sum of two numbers with no common factor.
On a cold winter morning, the temperature in Rapid City was -8°F. By noon, the temperature had risen by 15°F. What was the temperature at noon?
Calculate 3.42 multiplied by 0.15.
Which set of rational numbers is ordered correctly from least to greatest?
Divide 4 2/3 by 1 1/6.
A scuba diver descends to -35 feet relative to sea level, then swims up 12 feet, and finally descends another 18 feet. What is the diver's final elevation?
Loading more…