Question 1

The store is selling lemons at $0.55 each. Each lemon yields about 2 tablespoons of juice. How much will it cost to buy enough lemons to make four 9-inch lemon pies, each requiring half a cup of lemon juice?

Question 2

A car is driving at 90 kilometers per hour. How far, in meters, does it travel in 5 seconds?

Question 3

The grocery store has bulk pecans on sale, which is great since you're planning on making 6 pecan pies for a wedding. How many pounds of pecans should you buy?

First, determine what information you need to answer this question, then click here to display that info

You will need to buy________ pounds of pecans.

Question 4

Sound travels about 750 miles per hour. If you stand in a canyon and sound a horn, you will hear an echo Suppose it takes about 4 seconds to hear the echo. How far away is the canyon wall, in feet?

Question 5

A friend has a 82 % average before the final exam for a course. That score includes everything but the final, which counts for 15% of the course grade.

What is the best course grade your friend can earn?_______%

What is the minimum score your friend would need on the final to earn a 75% for the course?________%

Question 6

A 6 inch personal pizza has 600 calories, with 240 of those from fat. A 16 inch pizza is cut into 8 slices.

Estimate the number of calories in one slice of a 16 inch pizza.

_____calories

● Question 7

The population of a town increased from 3400 in 2008 to 5150 in 2009. Find the absolute and relative (percent) increase.

Absolute increase: ___________

Relative increase: ____________

Question 8

Let A = [5, 6, 8, 9, 10] and B = [4, 8, 10]. Indicate if each statement is true or false.

3E A Select an answer

BCA Select an answer

Question 9

Let S be the universal set, where:

S={1, 2, 3,..., 18, 19, 20)

Let sets A and B be subsets of S, where:

Set A = {1,9, 11, 13, 16, 17, 18}

Set B = {1,2, 8, 9, 10, 11, 13, 14, 20}

Find the following:

LIST the elements in the set (An B):

(An B)= _________________________

Enter the elements as a list, separated by commas. If the result is the empty set, enter DNE

LIST the elements in the set (BA):

(Bn A)=________________________

Enter the elements as a list, separated by commas. If the result is the empty set, enter DNE

Question 10

Let S be the universal set, where:

S{1,2,3,..., 18, 19, 20)

Let sets A and B be subsets of S, where:

Set A={1,2,3, 4, 5, 7, 9, 11, 12, 13, 14, 19)

Set B= (1, 2, 3, 8, 9, 13, 14, 15, 17, 18, 19)

Find the following:

The number of elements in the set (AUB):

n(AUB)=

The number of elements in the set (An B):

n(An B) is

You may want to draw a Venn Diagram to help answer this question.

Question 11

Let the Universal set be the letters a through j: U - [a, b, ..., i, j}.

Let A = [a, d, h, j], B = {c, g, h, j), and C= [d, e, g, h}

List the elements of the set An (BUC)

Question 12

In the last several weeks, 47 days saw rain and 65 days saw high winds. In that same time period, 94 days

saw either rain or high winds. How many days saw both rain and high winds?

Question 13

Let the Universal set be the letters a through j: U = {a, b, ..., i, j}.

Let A = {b, d, e, i}, B = {e, h, i, j}, and C = {b, c, e, h}

List the elements of the set (An B) UC

Question 14

Determine if the conclusion follows logically from the premises.

Premise: No ideas of sensations are ideas of reflection.

Premise: Some observations are not ideas of reflection.

Conclusion: Some observations are not ideas of sensations.

Question 15

Determine if the conclusion follows logically from the premises.

Premise: If it is raining, then the grass will be wet

Premise: The grass is dry

Conclusion: It is not raining

O Valid argument

O Invalid argument

Question 16

Complete the truth table for the statement PA -Q.

Question 17

Determine if the conclusion follows logically from the premises.

Premise: If you have a maple tree, then you have to rake leaves in autumn

Premise: Jon has to rake leaves in autumn

Conclusion: Jon has a maple tree

O Valid argument

Question 18

Determine if the conclusion follows logically from the premises.

Premise: If a child is 8 years old, then they attend school

Premise: If a child attends school, then they play at recess

Conclusion: If a child is playing at recess, then she is 8 years old.

O Valid argument

O Invalid argument

Question 19

Categorize the following logical fallacy.

The best students make the best grades. Therefore, getting high grades will undoubtedly cause

you to be a better student.

Question 20 Consider the set of whole numbers from 1 to 10, inclusive.

List the numbers that meet the condition: greater than five and odd