#1
a rate in which the second quantity is one unit is a called a what
a unit rate
a relationship between two quantities in which the rate of change or the ratio of one quantity to the other is constant is known as a what
proportional relationship
What is the percent decrease of 150 to 132
12% decrease, or -12%
A desert tour includes 305 people traveling by van. Each van can transport 18 people. Estimate the number of vans needed
300/20 = 15 vans
A recipe calls for 2 cups of sugar and 1/4 cup of butter. What is the unit rate of sugar to butter?
8 cups of sugar to 1 cup of butter
What is the constant of proportionality?
2 5 8
24 60 96
y = 12x or k=12
Gavin opens a savings account with $2, 400. The account pays him 2.4% annual simple interest. How much would he earn interest after 1 year?
$57.60
Estimate the total cost of 4 season tickets if they cost $249.99.
$1,000
Olivia buys candles in bulk for her store. Her cost for each candle is $9.00, she marks up the cost of candles 85%. What is the retail price?
$16.65
Last year's computers are going on sale for 20% off. The original price is $1, 850. What is the new SALE price?
$1.480
Evaluate 3 * (-4) + (-2)
-14
What is the sample space of a cube numbered 1-6
{1, 2, 3, 4, 5, 6}
Mrs. Shane takes her 7th grade class out to eat for scoring 100% on all their tests. Her bill was $311.50. The sales tax is 6.75%. What is her TOTAL amount for her bill?
$332.53
Solve the inequality:
x + 4 > 12
x > 8
Write an equality for the following scenario:
Greyson is designing a bookshelf that is 3 feet wide. He wants the are of the table top to more than 9 square feet.
3x >9
In the school lunch line, 65 out of 80 student chose water with lunch. What is the probability of a student who does not choose water with their lunch?
15/80