Percents
What is 50% of 13?
6.5 or 6 1/2
Name one method used to solve a proportion
Cross multiplication or Equivalent fractions
State the base and power of the term: -h4
base: -h
power: 4
Solve for the variable y
2 + 7 = 3y
y = 3
Evaluate and simplify.
2/3 * 3/5
2/5
What is 103% of 50?
51.5 or 51 1/2
Solve the following proportion 16/4 = 12/x
x= 3
Simplify the following: a10/a6
a4
Solve for the variable x
4x - 5 = 3x
x = 5
If 45/60 is equivalent to 3/x, then x is ?
4
42 is what percent of 168?
25%
Solve the following proportion for c. 36/c = 45/10
c = 8
Simplify: (x2)4
x8
Solve for the variable n
n - 2 = 18
n = 20
11
36 is 80% of what number?
45
If 12 ounces of mashed potatoes serves 5 people, how many ounces mashed potatoes should you bring to the potluck to feed 28 people?
67.2 oz
Write (a)(a)(b)(b) in exponential form.
a2b2
Solve for the variable b
2b - 25 - 5 = b
b = 30
Evaluate.
3/5 + 2/8
17/20
What is 30% of 9 hours?
2.7 hours or 2 hours and 42 minutes
The price of ice cream sundae is directly proportional to it's weight. If a sundae weighs 6 ounces & costs $4.50, how much will a 12.4 ounce sundae cost?
$9.30
Simplify: (5r7)/(r4)
5r3
z + 1 = -z
z = -1/2
Simplify 95/45.
19/9