Real Number System
All Real numbers are in one of these two subsets
What is Rational or Irrational?
What is 35% as a decimal
What is 0.35
This number is 46% of 200
What is 92
46/100 = x/200
18% Tip on $100
What is $18
$18/100 = x/100%
The formula for Simple Interest?
What is I=P⋅R⋅T
What do you call money spent on a bank statement?
What is a Withdrawal?
True or False:
All Natural numbers are Integers?
What is TRUE
Write 2.5 x 106 in standard notation
2,500,000
Where is the 100 on the % side of a proportion
What is on the Bottom
Total spent for $8.99 sandwich after 5% tax
What is $9.44
$x/8.99 = 5/100%
, $8.99 + 0.45
Interest only on a loan for $150,000 at 2.5% over 5 years.
What is $18,750
150,000 ⋅ 0.025 ⋅ 5 = 18750
How many grouping symbols are there in GEMDAS?
What are 6?
The sum of 2 irrational numbers is this.
What is irrational.
Which is greatest:
2.5 x 104
1.8 x 107
4.5 x 10-6
9.6 x 102
What is 1.8 x 107
If 2 movie tickets are $14, how much would 7 movie tickets cost?
What is $49
2/14 = 7/x
A $49.99 sweater after 35% discount
What is $32.49
$x/49.99 = 35/100%
, $49.99- $17.50
Percent of change from 80 degrees to 75 degrees.
What is a 6.25% decrease
80-75 = 5 , 5/80 = 0.0625
What is 0.0624
75 - 80 = 5, 5/80
Simplify:
3 ⋅ 3 + 4 ÷ 2 - 7
What is 4 ?
List ALL of the RNS subset that the answer fits in:
sqrt 1764
What are: Real, Rational, Integer, Whole, Natural
Which is the SMALLEST:
2.5
2.5x10-2
25%
1/5
What is 2.5 x 10-2
If a 12 ft pole casts a 7 ft shadow, how tall is a man casting a 5 ft shadow (round to 2 decimal places)
What is 8.57 ft tall. WOW!
12/7 = x/5
Which of Tax, Tip, Markup, & Discount is NOT added to the original price?
What is Discount?
65 people bought cars on Saturday, 90 bought cars on Sunday. What is the percent of change over the weekend?
What is 38% Increase.
90-65=25, 25/65 = 0.038
If x= -2, y = 4 then,
Evaluate: (-5x - 4y) ÷ |3y-18|
What is -1
(-5(-2) - 4(4)) ÷ |3(4)-18|
(10 -16) ÷ |12-18|
-6 ÷ |-6|
-6 ÷ 6
Name the 2 attributes of an irrational number
What are Non-repeating and Non-terminating Decimal
What 2 whole numbers is
sqrt 77
between:
What is ±8 and ±9
If an elevator can hold 14 (250 pound) people because it can hold a max of 3,500 pounds, How many elevators will be needed for 35 (250 pound) people?
What is 3 elevators .
(Have you ever seen 2.5 elevators ?!?!?)
Which is a better deal for a $45 outfit?
15% off or $10 off
What is $10 off.
15% = $6.75 off , $38.25 sale price
$10 off = $10 off, $35 sale price
Joe is buying a $30,000 truck. He has a $4000 down payment. His loan has a 3.5% Rate over 5 years. How much interest will he pay?
What is $4550.00
(30000-4000) ⋅ 0.035 ⋅ 5
26000 ⋅ 0.035 ⋅ 5
If x=-4 and y = -3 then evaluate:
(x3 - y2 ) - 5x
What is -53
(-43 - -32 ) -5(-4)
(-64 - 9) +20
-73 + 20