Ratios/Proportions/Pertents
There are 18 boys and 12 girls in a class. What is the ratio of girls to total students in simplest form?
2 : 5
Find the area of a triangle with base 10 units and height 6 units.
30
Write an expression that is equivalent to 5(x-3)
5x-15
What is the Prime Factorization of 25
52
A map uses a scale of 1 inch : 8 miles. How many miles do 5.5 inches represent?
44 miles
What is the volume of a rectangular prism with length 4 units, width 5 units, and height 2 units?
40
Solve the Inequality for x
-2x > -48
24
A number has a prime factorization of 23×3. What is the number?
24
If the ratio of blue marbles to red marbles is 5:3 and there are 64 marbles in total, how many blue marbles are there?
40
The area of a parallelogram is 60 square units and its base is 12 units. What is its height?
5
Solve for y.
y=x+8
x=15
23
What is the prime factorization of 98?
2 x 72
A study showed that 75% of people who joined a gym did so in January. What is the decimal equivalent to 75%?
0.75
A cube has a volume of 64 cubic units. What is the length of one side?
4
Solve for x.
y=8x
y=56
7
True or False. The prime factorization of 54 is 6×9.
Why?
False. Because 6 and 9 can be broken down further and are not prime numbers
A total of 96 dogs and cats were taken to a vet clinic. The ratio of dogs to cats was 3:5. How many of the animals taken to the vet clinic were cats?
60
If a rectangular prism has the dimensions as shown below what is the formula to solve for volume?
Width: 3 in.
Length: w in.
Height: 8 in.
24w
Solve. 42-6(7-10)
34
What is the Prime Factorization of 100
22 x 52