P, D, F
Write 45% as a decimal
0.45
Move decimal two spots to the left
What is 12% of 80?
9.6
Equation:
x = 0.12*80
Proportion:
x/80=12/100
State increase or decrease. Then find the percent change.
From 10 to 16
Increase, 60%
(16-10)/10=6/10=0.6
Find markup and selling price:
Cost is $12 and markup of 20%
Markup: 12 * 0.2 = $2.40
Selling Price: 12 + 2.40 = $14.40
Find the interest and new balance for the following situation:
I deposited $750 into an account with a 3.2% rate for 2.5 years.
I = $60, New balance = $810
I = Prt
P = $750, r = 0.032, t = 2.5
I = 750(0.032)(2.5)=60
750+60 = 810
Write 0.035 as a percent
3.5%
Move decimal 2 spots to the right
24% of what is 60?
250
Equation: 0.24x = 60
Proportion:
60/x=24/100
State increase or decrease. Then find the percent change.
From 84 to 63
Decrease, 25%
(84-63)/84=21/84=0.25
Find discount and sale price
Regular Price: $60 and discount: 25%
Discount: 60 * 0.25 = $15
Sale Price: 60 - 15 = $45
Find the rate for the situation
I earned $30 worth of interest over 6 years after I deposited $1000 into an account.
r = 0.5%
I = Prt
I = 30, P = 1000, t = 6
30 = 1000r(6) -> 30 = 6000r -> r = 0.005
Write the following as a percent:
5/8
62.5%
What percent of 80 is 16?
20%
Equation: 80x = 16
Proportion:
16/80=x/100
State increase or decrease. Then find the percent change.
From 34 to 51
Increase 50%
(51-34)/34=17/34=0.5
Find markup and selling price:
Cost is $13.50 and markup is 75%
Markup: 13.50 * 0.75 = $10.13
Selling Price: 13.50 + 10.13 = $23.63
My subtotal at Wal Mart was $84.20. Sales Tax in Norfolk is 7%. Find the amount of taxes owed and find the final cost.
Taxes: 0.07 * 84.20 = $5.89
Final Cost: 84.20 + 5.89 = $90.09
Write the following as a percent
2/3
66.bar6 %
0.3% of what is 18?
x = 6000
Equation: 0.003x = 18
Proportion:
18/x=0.3/100
State increase or decrease. Then find the percent change.
From 35 to 15
Decrease, 57.1%
(35-15)/35=20/35=0.571..
Find discount and sale price:
The regular price is $184 and the discount is 35%
Discount: 184 * 0.35 = $64.40
Sale Price: 184 - 64.40 = $119.60
DAILY DOUBLE
My final bill at a restaurant was $43.7. I left a 15% tip. What was the dollar amount of my tip? What was the total before the tip?
Order from least to greatest:
2/5 , 0.41, 42%, 3/8, 40.5%
3/8 , 2/5 , 40.5%, 0.41, 42%
What percent of 97 is 68?
x = 70.1%
Equation: 97x = 68
Proportion:
68/97=x/100
State increase or decrease. Then find the percent change.
From 36 to 72
Increase, 100%
(72-36)/36=36/36=1
I bought a new couch for $475 when it was marked 15% off. What was the original cost of the couch?
x=$558.82
475/x=85/100
An 18% gratuity was added onto my bill at the fancy steakhouse. The final cost I had to pay was $218.77. Find the amount of the subtotal and the gratuity.
Subtotal: $185.40
Gratuity/Tip: $33.37