What is the percent change from 20 to 25?
25% increase
What is the constant of proportionality?
13 apples per tree
What is circumference?
25.12 cm
Find the missing angle.
50o
Solve:
5x + 2 = 17
x = 3
A $14 shirt is on sale for 15% off. What will the cost be ?
$11.90
Books at a certain store are all sold for $5 per book. Write an equation, C, the total cost, for b, books.
C=5b
What is the area?
153.86 cm2
Find the missing angle.
x = 104o
y = 76o
z = 104o
Solve:
21 = 10x - 19
x = 4
A car dealership buys a truck for $9,000. They mark it up 20% before selling it. What will the price be for someone to buy the truck?
$10,800
The equation y=7x represents the cost, y, for x pairs of socks. Sally spends $42, how many pairs of socks did she buy?
6 pairs
The circumference of a circle is 75.36 centimeters. What is the radius?
12 cm
Fid the missing angle.
53o
Solve:
2x + 5x = 42
x = 6
Your dinner total is $45. You have a coupon for 20% off. You must also pay 6% tax. What is your total cost, including tax? (no tip)
$38.16
Elena fills her gas tank up with 8 gallons of gas for a cost of $27.92. How much would it cost to fill a 15 gallon tank?
$52.35
What is the surface area?
684 in2
Two angles are supplementary and congruent. What are the measures of the two angles?
90o
Amanda buys 2 tickets and spends $10 on popcorn. She spent a total of $26. How much were each ticket?
$8
35% of the students got an A or B on their test. A total of 21 students got an A or B on their test. How many total students took the test?
60 students
Frank makes $12.50 per hour mowing lawns. Samantha made $48.75 for 3 hours of babysitting. George works for x hours walking dogs and makes y dollars, represented by the equation y=14x. Which person makes the most money per hour?
Samantha
What is the surface area?
503 cm2
In an isosceles triangle (two equal angles) one angle is 50o. What could the other two angles be?
50o and 80o
or
65o and 65o
Write and solve an equation to figure out how much each pack of gum cost.
45 - 3g = 41.25
g = 1.25