Ratios, Rates & Percents
A relationship between two quantities.
What is a ratio?
A bank account balance is –$87.55. After a transaction, the bank account balance is $0. Complete the sentence to describe the transaction.
The transaction causes the value of the bank account to
A. increase or B. decrease by A. $0. or B. $87.55.
What is increase by $87.55?
The product of 5 and the sum of 4x & 8 (write as an expression).
What is 5(4x + 8)?
The area of a triangle with a height of 2.5cm, a base of 6cm, & length of 6.5cm.
What is 7.5 cm2?
1 is to 2 as 2 is to 4, or for every 1 ___ there are 2 ___, so for every 2___, there are 4___.
What is 1:2 & 2:4 or what is equivalent ratios?
A snail crawls .78 meters in 60 seconds. His speed in meters per second is...
What is 0.013?
The cost of the water bill when 14 water bottles are used in one month when using the expression 25.50 + 7n.
What is $123.50?
The value of x when a right rectangular prism has a base of 7 in, a width of 4 in, & a height of x in.
What is 5?
A recipe for salad dressing calls for 5 parts oil to 2 parts vinegar. This is the amount of oil for every 1 cup of vinegar.
What is 5/2 or 2.5 cups of oil?
Eddie says 2/3 divided by 1/4 is greater than 2/3. Tara says that 2/3 divided by 1/4 is less than 2/3.
What is Eddie is correct?
An expression to represent: a hotel charges a one-time fee of x dollars for the first night someone stays & $89.50 for each night after.
What is x + 89.5y?
The volume of a right rectangular prism with edge lengths of 90 1/3 cm, 1.5 cm, & 40 1/2 cm.
What is 5,487.73 cm3?
Astrid rides her bike 4 miles in 16 minutes. She will ride this many miles in 52 minutes.
What is 13?
8,466 divided by 68.
What is 124.5?
The least number a could be when 10 + 2a > 16.
What is 2?
The perimeter of rectangle HIJK with vertices H(-7,-4), I(-5, -4), J(-5, 2), & K(-7, 2).
What is 16?
If a is 50% of b, then
A. b is 50% of a
B. b is 100% of a
C. b is 150% of a
D. b is 200% of a
What is choice D?
69.43 divided by 5.4
What is 12.857?
What is x + y + 3x + 3y, 4x + 4y, & 4(x+y)?
The square inches of cardboard used if Noah makes a cube with a side of 7.5 in.
What is 337.5 square inches?