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Copyright 2014 © W. Seth HunterConsumerMath.org
L2.3 The Cost of Gas
UNIT TWO: CALCULATING PAYMENTS
I get paid weekly, but pay bills monthly. How can I be sure I am not going to run out of money when
the bills are due.
Personal Finance:
The Cost of GasA cool ride is only
cool when it is not being repossessed.
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Copyright 2014 © W. Seth HunterConsumerMath.org
L2.3 The Cost of Gas
Lesson Objective:
• Students will calculate the cost of driving an automobile using fuel costs, distance, and MPG (miles per gallon).
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Copyright 2014 © W. Seth HunterConsumerMath.org
L2.3 The Cost of Gas
Discussion
What is the current cost of Gas?
What types of MPGs do different types of cars get?
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Copyright 2014 © W. Seth HunterConsumerMath.org
L2.3 The Cost of Gas
Discussion
What is the current cost of Gas?
What types of MPGs do different types of cars get?
2015- $2.763 per gallon (AAA National Average)
Hummer H3 9-18 MPGPorsche 911 19-28 MPG
Dodge Charger 13-27 MPGFord C-Max Hybrid 37-42 MPG
(Values taken from www.fueleconomy.gov)
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Copyright 2014 © W. Seth HunterConsumerMath.org
L2.3 The Cost of Gas
Calculating the Weekly Cost of Gas
Calculating your cost of gas is easy.
You need to know:1. The current price of gasoline.
2. Your car’s MPG.3. How far it is to travel to work.
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Copyright 2014 © W. Seth HunterConsumerMath.org
L2.3 The Cost of Gas
Calculating the Weekly Cost of Gas
The equations you will use are:
Gallons used = Miles DrivenMiles Per Gallon
and:
Cost of Gas = Gallons Used x Price Per Gallon
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Copyright 2014 © W. Seth HunterConsumerMath.org
L2.3 The Cost of Gas
Calculating the Weekly Cost of Gas
If your car gets 28 MPG, you live 10 miles from work, and gas is $4.05 per
gallon:Total miles driven per week:20 miles round trip x 5 days a week =
100 miles driven
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Copyright 2014 © W. Seth HunterConsumerMath.org
L2.3 The Cost of Gas
Calculating the Weekly Cost of Gas
If your car gets 28 MPG, you live 10 miles from work, and gas is $4.05 per
gallon:Gallons used = Miles Driven
Miles Per Gallon
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Copyright 2014 © W. Seth HunterConsumerMath.org
L2.3 The Cost of Gas
Calculating the Weekly Cost of Gas
If your car gets 28 MPG, you live 10 miles from work, and gas is $4.05 per
gallon:Gallons used = Miles Driven
Miles Per Gallon
Gallons used = 100 Miles28 MPG
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Copyright 2014 © W. Seth HunterConsumerMath.org
L2.3 The Cost of Gas
Calculating the Weekly Cost of Gas
If your car gets 28 MPG, you live 10 miles from work, and gas is $4.05 per
gallon:Gallons used = Miles Driven
Miles Per Gallon
Gallons used = 100 Miles28 MPG
Gallons used = 3.57 Gallons per week
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Copyright 2014 © W. Seth HunterConsumerMath.org
L2.3 The Cost of Gas
Calculating the Weekly Cost of Gas
If your car gets 28 MPG, you live 10 miles from work, and gas is $4.05 per
gallon:Gallons used = 3.57 Gallons per week
Cost of Gas = Gallons Used x Price Per Gallon
![Page 12: Copyright 2014 © W. Seth Hunter ConsumerMath.org L2.3 The Cost of Gas I get paid weekly, but pay bills monthly. How can I be sure I am not going to run](https://reader036.vdocument.in/reader036/viewer/2022083005/56649f275503460f94c3f173/html5/thumbnails/12.jpg)
Copyright 2014 © W. Seth HunterConsumerMath.org
L2.3 The Cost of Gas
Calculating the Weekly Cost of Gas
If your car gets 28 MPG, you live 10 miles from work, and gas is $4.05 per
gallon:Gallons used = 3.57 Gallons per week
Cost of Gas = Gallons Used x Price Per Gallon
Cost of Gas = 3.57 Gallons x $4.05 Per Gallon
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Copyright 2014 © W. Seth HunterConsumerMath.org
L2.3 The Cost of Gas
Calculating the Weekly Cost of Gas
If your car gets 28 MPG, you live 10 miles from work, and gas is $4.05 per
gallon:Gallons used = 3.57 Gallons per week
Cost of Gas = Gallons Used x Price Per Gallon
Cost of Gas = 3.57 Gallons x $4.05 Per Gallon
Cost of Gas = $14.46 per week
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Copyright 2014 © W. Seth HunterConsumerMath.org
L2.3 The Cost of Gas
1. What does MPG stand for?
2. What is the equation for calculating your Weekly Cost of Gas ?
3. Calculate the weekly gas cost If your car gets 25 MPG, you live 5 miles from work and work 5 days a week, and gas is $2.03 per gallon.
Review:
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Copyright 2014 © W. Seth HunterConsumerMath.org
L2.3 The Cost of Gas
1. What does MPG stand for?
2. What is the equation for calculating your Weekly Cost of Gas ?
3. Calculate the weekly gas cost If your car gets 25 MPG, you live 5 miles from work and work 5 days a week, and gas is $2.03 per gallon.
Review:
Miles Per Gallon?
Cost of Gas = Gallons Used x Price Per Gallon
$4.06