The ratio of red marbles to blue marbles in a bag is 3 to 5. If there are 15 red marbles in the bag, how many blue marbles are there?
Ratios And Proportional Relationships
Question · Easy
Stats test: find the median
Short
A bread recipe calls for 2 cups of sugar for every 6 cups of flour. What is the unit rate of cups of flour per cup of sugar?
A car travels 180 miles in 3 hours at a constant speed. What is the car's average speed in miles per hour?
What is 25% of 80?
A package of 4 notebooks costs $10.00. What is the unit price of one notebook?
In a 6th-grade class of 30 students, 12 students wear glasses. What percentage of the class wears glasses?
On a map of Utah, 1 inch represents 15 miles. If two towns are 4.5 inches apart on the map, what is the actual distance between them in miles?
Question · Medium
A baker uses 8 cups of flour for every 3 cups of sugar. If the baker uses 20 cups of flour, how many cups of sugar are needed?
A track runner completes 12 laps in 20 minutes. At this constant rate, how many minutes will it take the runner to complete 18 laps?
The number 45 is 60% of what number?
A winter coat with an original price of $60 is on sale for 20% off. What is the final sale price of the coat before tax?
A 12-ounce box of cereal costs $3.60. An 18-ounce box of the same cereal costs $4.86. Which box has a lower unit price and by how much per ounce?
How many meters are in 3.5 kilometers? (1 kilometer = 1,000 meters)
A painter uses 3 gallons of paint to cover 750 square feet of wall space. At this constant rate, how many gallons are needed to cover 1,750 square feet?
A table shows a proportional relationship between time t (hours) and distance d (miles): (2 hrs, 110 mi), (4 hrs, 220 mi), (6 hrs, 330 mi). Which equation represents this relationship?
In a school band, the ratio of brass instruments to woodwind instruments is 4 to 7. If there are 33 total instruments in the band, how many woodwind instruments are there?
A vehicle uses 5 gallons of gasoline to travel 140 miles. How many gallons will it need to travel 308 miles at the same fuel efficiency?
Question · Hard
Samantha answered 85% of the questions on her math test correctly. If she got 34 questions correct, how many questions were on the test in total?
A restaurant bill before tip is $45.00. The customer leaves an 18% tip. What is the total amount paid including tip?
A machine produces 150 metal parts in 45 minutes. At this constant rate, how many parts will the machine produce in 2.5 hours?
Evaluate: 3/4 ÷ 1/2. Give your answer as a mixed number.
The Number System And Integers
What is the Greatest Common Factor (GCF) of 24 and 36?
What is the absolute value of -15?
The morning temperature in Logan was -4°F. By noon, the temperature had risen by 11°F. What was the temperature at noon?
Which of the following numbers has the smallest value? -8, -3, 0, 2
Add: 14.25 + 6.8
What is the Least Common Multiple (LCM) of 6 and 8?
A hiker at an elevation of 250 feet below sea level (-250 ft) climbs up 400 feet. What is the hiker's new elevation?
Divide: 456 ÷ 12
Which point represents the reflection of (3, -5) across the x-axis?
Divide: 5/6 ÷ 2/3. Express your answer in simplest form as a mixed number.
Use the distributive property and GCF to express 36 + 48 as a product of GCF and two whole numbers.
Multiply: 3.4 × 2.15
Subtract: 18.6 - 4.75
What is the distance between point A(-4, 7) and point B(-4, -3) on the coordinate plane?
In which quadrant of the coordinate plane is the point (-6, -2) located?
Order these rational numbers from least to greatest: -2.5, -3/4, 0.2, -1.8
Divide: 8.64 ÷ 0.36
A bank account balance changes by -$35 on Monday and +$50 on Tuesday. What is the net change in balance over these two days?
Which expression is equivalent to 72 + 90 using the Greatest Common Factor?
A pitcher contains 3 3/4 cups of lemonade. If one serving is 1/2 cup, how many FULL servings of lemonade are in the pitcher?
Point P is located at (-5, 4). If Point P is reflected across the y-axis, what are the coordinates of its image P'?
Divide: 3,825 ÷ 25
Two flashing signals at an intersection flash at intervals of 12 seconds and 15 seconds. If they flash together right now, after how many seconds will they flash together next?
A wood board is 8 2/3 feet long. A carpenter cuts it into pieces that are each 1 4/9 feet long. How many complete pieces can be cut?
Evaluate the expression: |-12| - |-7| + |5|
Point C is located at (-8, 3) and Point D is located at (4, 3) on a coordinate plane. What is the distance between Point C and Point D?
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