Solving the Same Rate-Time-Distance Problem Using One and Two Variables
Two different ways to write an algebraic equation for the same word problem involving rate, time, and distance are compared.
Subject: rate
Transcript: FIRST PLANE. THE PLANES ARRIVE IN MILWAUKEE AT THE SAME UNKNOWN TIME. THIS IS A RATE TIME DISTANCE PROBLEM. HERE'S THE FORMULA WE ALWAYS USE FOR THIS TYPE
Practical Problem: Phone Calls With a Surcharge
Using the slope-intercept form of equation, the amount of a hotel will charge to make a call from the phone in their room is calculated.
Subject: rate
Transcript: ALL CALLS OUTSIDE THE HOTEL. IN ADDITION, THE RATE FOR THE LONG DISTANCE CALL TONY WANTS TO MAKE IS $0.08 PER MINUTE. LET'S WRITE AN EQUATION THAT LET
Practical Problem: Find the Rate of Gas Pumped
Illustrating the slope formula with a practical rate problem.
Subject: rate
Transcript: NARRATOR: HERE'S ANOTHER RATE PROBLEM. WATCH FOR THE ORDERED PAIRS. THEN USE THEM IN THE SLOPE FORMULA. JOE DRIVES A GASOLINE TANK TRUCK THAT
Solving a Rate-Time-Distance Problem Using One Variable
How to write an equation with one variable to solve a practical problem involving rate, time, and distance using a table to help organize the
Subject: rate
Transcript: LEAVES. IT'S FLYING FASTER, SO IT CATCHES UP WITH THE FIRST PLANE. THE PLANES ARRIVE IN MILWAUKEE AT THE SAME UNKNOWN TIME. THIS IS A RATE TIME DISTANCE
Solving a Complicated Cash Register Problem
A store manager needs to calculate how many bills of each denomination she can get with $100 in order to begin the day with enough change in her cash register, knowing she needs only one $20 bill. The solution is presented step-by-step.
Subject: rate
Two Solutions to a Complicated Copy Machine Problem
Complicated word problems are best handled by breaking them into simpler parts, as demonstrated in a rate and time problem. Two different approaches
Subject: rate
Transcript: INTO A SERIES OF SIMPLE PROBLEMS. BILL MADE 780 COPIES OF A DOCUMENT. WHEN HE BEGAN, THE ONLY MACHINE AVAILABLE WAS AN OLD ONE THAT COPIED AT THE RATE OF
Fractions, Decimals, and Percents
Both business people and consumers must learn to work with fractions, decimals and percents in addition, subtraction, multiplication and division.
Subject: rate
Transcript: A PERCENT. PARTLY BECAUSE THEY'RE EASY TO WORK WITH, AND PARTLY BECAUSE OF TRADITION, PERCENTS ARE USED WIDELY IN BUSINESS. INTEREST RATES FOR EXAMPLE
Statistics for the Business World
Emphasizes the business use of statistics, showing how appropriate statistics give a more accurate, more comprehensive picture of business growth and trends.
Subject: rate
Transcript: MANAGERS OF THIS HOTEL NEED TO HAVE AN IDEA OF HOW MANY OF ITS ROOMS ARE USUALLY OCCUPIED. IF THE NUMBER IS LOW, PERHAPS RATES SHOULD BE LOWERED, SERVICES
Notes and Bank Discounts
Promissory notes, how and when they are used, methods for determining the due date, face vale and rate, are the subject.
Subject: rate
Transcript: CASE IS $1000, THE AMOUNT OF THE LOAN. THE RATE OF INTEREST IS 20% PER YEAR. REMEMBER THAT'S SIMPLE INTEREST, BASED ON THE FACE VALUE OF THE NOTE
Compound Interest
What is the difference between simple and compound interest? Also, illustrated how and when compound interest is used as well as introduce the basics of savings accounts and time deposit accounts.
Subject: rate
Transcript: PORTION OF ITS DEPOSITS IS A MAJOR ONE. THE AMOUNT OF INTEREST A BANK PAYS IS CALLED THE CURRENT OR STATED RATE OF INTEREST. AND IT VARIES A LITTLE FROM