Distributive Property
-4(-8x - 8)
32x + 32
n + 4 - 9 - 5n
-4n - 5
What word is a clue for the whole in a percent proportion?
of
Write the percent equation.
part = whole (%- in decimal form)
from 75 to 45
40% decrease
1/4(-16x + 8)
-4x +2
n - 10 +19n - 3
10n - 13
What is the formula to solve percent proportions?
part/whole = #%/100
What is 14% of 250? Write equation and answer.
35
x=.14(250)
Original price of book $49.95
3% tax
$51.45
1/3(12- 9y)
4 - 3y
-5n + 3(6 + 7n)
16n + 18
What is 60 percent of 30?
18
5 is what % of 125? Write equation and answer
4%
5=x(125)
Concert tickets $100
Discount 21%
$79
4(3.2d - 10)
12.8d - 40
10 - 5n(9n - 9)
55 - 45n
25 is what percent of 90? Round to the nearest tenth.
27.8%
30% of what number is 15? Write equation and answer.
.15(40)=x
6
Cost of sled: $99.50 Markup: 95%
$194.03
1.5(6x + 2)
9x + 3
5(-2n + 4) + 2(n+3)
-8n + 26
Maria has a collection of 190 marbles. She gives away 30% of her marbles to her friend. How many marbles did Maria give away?
57
7 is 12% of what number?
58.3 (repeating)
7= .12x
Price of gas dropped from $3.50 to $2.87. By what percentage was the gas price reduced?
-18%
2.5(10x + 8)+ 3x
28x + 20
-9(6m - 3) + 6(1 + 4m)
-30m + 33
A shipping box should weigh 1.0 pound (lb.) If there is a 10% error on the weight, what is the range of acceptable weight?
0.9- 1.10 lbs.
What is 135% of 50
x=50(1.35)
67.5
In 2020, summer camp registration was $15 more than it was in 2021. In 2020 registration was $285. By what % did the summer camp decrease in 2021?
-5%