Percent and Financial Literary
What is 25% of $40?
$10
If y = 4x, what is y when x = 2?
8
x+7=15
x=8
1. Identify the slope and y-intercept
y=3x−2
Slope - 3
y intercept - -2
Find the area of a square with side length 10 m.
100 m²
A $30 shirt is 20% off. How much do you save?
$6
Is the relationship proportional? Explain.
x: 1, 2, 3
y: 4, 8, 12
y=4x
What is the answer using distributive property : 3(2x+5)
6x+15
What are the slope and y-intercept of
(0,2) ( 5,6)
1. Slope : 4/5
2. y intercept : 2
Find the area of a circle with radius 5 m. (Use π ≈ 3.14)
A=78.5m^2
A job pays $15/hour. It increases by 10%. What is the new rate?
$16.50
A recipe uses 2 cups of flour for 5 servings. How much flour is needed for 10 servings?
4
3x=x+8
x=4
Find the slope of the line passing through:
(0,1) and (2,5)
y=2x
A rectangular playground is 30 m long and 40 m wide.
Find the length of the diagonal.
50m
Marcus sells 18 cookies for $2.50 each and 12 brownies for $3.00 each. What is his total revenue?
$81
A car travels 60 miles in 2 hours.
Complete the table and write an equation:
Fill in the Blank
Hours: 1, 3, 5
Miles: ___, ___, ___
30,90,150 and y=30x
6x+c=3(2x+4)
c=12
Write an equation of a line with:
y = 4x -1
A right triangle has legs of 9 m and 12 m. Find the hypotenuse.
15m
Marcus spent $30 on supplies. After selling his items, he donates 20% of his profit to the school library. How much does he donate?
$10.20
A bike rental costs $8 for 2 hours.
1. $4 per hour
2. Yes,y=4x
2(x+3)=x+11
x=5
A city park charges a construction cost modeled by:
1. C(x)=10000+15x
2. The slope is 15.
3. 19000
A circle has diameter 14 cm. Find the area.
153.86 cm²