Fractions & Decimals
1/4 as a decimal
0.25
Solve for x.
2x + 4 = 26
x = 11
The three interior angles of any triangle sum to this amount.
180 degrees
Simplify the ratio.
6 : 9
2 : 3
What is 37% as a fraction?
37/100
0.3 as a fraction
3/10
Simplify.
3x + 8 + 4x + 7
7x + 15
The square root of 64
8
A class has a ratio of boys to girls of 5 : 4. If there are 36 students in the class, how many are boys?
20
6% as a decimal
0.06
Simplify 25/30
5/6
Simplify.
3(2x + 8) + 5
6x + 29
The cube root of 27
3
If 3 buses can carry 96 people. How many people can 10 buses carry?
320
130% as a decimal
1.3
Round 0.2963 to the nearest thousandths
0.296
An isosceles triangle has two equal sides that are each twice the length of the third side. If the perimeter of the triangle is 75 cm, what is the length of the smallest side?
15 cm
A line that intersects parallel lines is called this.
Transversal
If 4 umbrellas cost $32, what is the unit rate?
$8
What is 30% of 80?
24
2/5 of the students earned an A on the exam. If 25 students took the exam, how many earned an A?
10
Ben is twice as old as Anna. Caroline is twice as old as Ben. If their ages all add up to 84, how old is Anna?
The Pythagorean Theorem formula
a2 + b2 = c2
What is the direct proportion equation for dollars earned (y) for every hour (x) worked, given the data below?
3 hours = $75
4 hours = $100
y = 25x
72 is 60% of what number?
120