Ogt Math Study Guide Worksheet With Answers - Maple Heights City Schools Page 8
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31We’ve just seen how numbers can increase in time. They can also
lose value in time such as automobiles (unless you’ve got an old
classic!)
ex. Daryll just bought a truck for $30,000 dollars. The value of his
truck will decrease linearly so after 10 years his truck will be worth
an average of $5,000 dollars.
How much does his truck decrease in value every year?
First lets figure out how much loss of value occurred in the 10
years.
$30,000
-
$5,000
$25,000
In ten years, $25,000 dollars in value was lost. If we divide
$25,000 by ten years we get: $25,000/10years= $2,500 per year was
lost in value.
Using equations to solve patterns
Mrs. Jones is trying to sell items at her store within 60 days. She
has 2 options.
Option 1: She can sell items at $220.00 and give $1.00 off the
price for every day that it doesn’t sell.
Or
Option 2: She can sell items at $245.00 and give $2.00 off every
day the item doesn’t sell.
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