Theoretical and Experimental
Equations and Inequalities
Compliment, Sample Space and Number of Outcomes, predictions
Percent Problems
100
You have 4 white, 4 black and 2 stripped, what is the probability of getting a striped marble?
1/5
100
Write the equation:
304 students went on a field trip. Seven
buses were filled and 17 students traveled in
cars. How many students were in each bus?
7x + 17= 304
100
If you flip a coin 3 times, determine the total number of outcomes that will be in sample space.
8
100
If the price of a purse increased from $45 to $54, what was the percent of increase?
20%
200
You have 4 white, 4 black and 2 striped. Using the bag of marbles, what is the probability of getting a not black marble?
3/5
200
.5x + 5 = -11
-32
200
If you order a sandwich by selecting from 4 types of bread, 3 types of cheese, 12 types of veggies and 3 types of sauce, determine the total number of outcomes that will be in sample space
432
200
2. If the price of a softball glove decreased from $60 to $36, what was the percent of decrease?
40%
300
The table shows how many pets Mrs. King’s class has. What is the experimental probability that the student has 1 pet?
1/10
300
Sally wants to buy a computer that costs $500. She already has $50 saved and plans to save $25 a week. Which inequality represents how many weeks she need to save.
a. 50 x + 25 ≤ 500
b. 50x + 25 ≥ 500
c. 50 + 25x ≤ 500
d. 50 + 25x ≥ 500
c. 50 + 25x ≤ 500
300
The table shows how many pets Mrs. King’s class has. If Mrs. King has 95 students, how many students would she expect to have 2 pets?
x = 23.75 = 24
300
Megan bought 50 beads for $9.95. She received a 10% discount, and she paid a sales tax of 6%. How much did she pay for the beads?
14.34
400
What is the experimental probability getting “Z”
13/20
400
-2x -9.4 ≤ -18
x ≥ 4.3
400
Stephen rolls a number cube twice. What is the probability that he will land on a number less than 4 first then an even number?
1/4
400
If the Milton family has a total budget of $3,235 a month, how much money will they spend on rent?
808.75
500
A coin is tossed 60 times. The experimental probability of the coin showing tails is 70%. How many times did the coin show heads
18
500
Willie rented a bike from Sarawong's Bikes.
It cost $18 plus $5 per hour. If Willie paid
$48, how many hours did he rend the bike?
6
500
You have 4 white, 4 black and 2 striped, what is the probability of getting a striped marble, DO NOT replace it, then black marble?
4/45