Decimals to Percent
Convert 0.35 to a percentage.
35%
Whats 23% written as a decimal?
0.23
What is the equation for determining proportionality?
y = k x
What does gratuity mean?
A tip (increase)
What is 12% of $40? (use calculator)
$4.80
What is 0.8 when written as a percentage.
80%
What is 5% written as a decimal?
0.05
What does the k stand for in the equation?
COP or percentage change
What does discount mean?
amount off (decrease)
What is 70% of 200kg? (use calculator)
140 kg
Convert 0.125 into a percentage.
12.5%
How do you write 42 1/2 % as a decimal?
0.425
What does the y stand for in the equation?
The new amount
When do you add or subtract from the 100%?
When it is asking for the new TOTAL
In a class of 24 students, 75% of them are present. What percentage are away? How many students are away? (use calculator)
25%. 6 students are away.
What is 5.1 written as a percentage?
510%
How do you write 150% as a decimal?
1.5
What does x stand for in the equation?
The original (old) amount
What is your last step when trying to solve for k?
Change it back to a percentage
What is 125% of $60? (use calculator)
$75
How do you write 0.002 as a percentage
0.2%
How do you write 0.3% as a decimal?
0.003
What must you do to a percentage before using it in the equation?
Change it to a decimal
What does use the inverse mean?
Do the opposite operation.
A DVD priced at $30 has a 20% discount applied. How much is the discount AND what is the sale price? (Use calculator)
Discount is $6 and sale price is $24