A collectible lunchbox increases in value by 1.2% per year.  If it is worth $174 a year from now, what is its value today?

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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This is question 10 from my homework, it's due at 11 pm! please help me and thank you so much! I have attached the question as well as the equations my professor gave us, I am just struggling a little. 

 

A collectible lunchbox increases in value by 1.2% per year.  If it is worth $174 a year from now, what is its value today?

ANSWER:  $_______

This material will help you create mathematical models involving interest rates and rates of appreciation or
depreciation.
You will work with the ideas of percentage change and proportionate change.
As an example, suppose you are awarded a 3% cost-of-living raise in your salary. We call 3% the percentage change (or
just percent change) in your salary. That percentage expressed as a decimal, 0.03, is called the proportionate change.
To compute your NEW salary, add your OLD salary to the dollar amount of the raise, which is 3% of your OLD salary:
NEW = OLD+ 0.03 · OLD.
In general, if the value of something (a monetary value, a population) increases by p × 100% from an OLD value to a
NEW value, these are related by the formula: NEW =
OLD+p·OLD.
NEW-OLD
Note that, if you solve for P, you have the formula p =
OLD
(Note that p here is the proportionate change and the percentage change is p × 100%.)
Transcribed Image Text:This material will help you create mathematical models involving interest rates and rates of appreciation or depreciation. You will work with the ideas of percentage change and proportionate change. As an example, suppose you are awarded a 3% cost-of-living raise in your salary. We call 3% the percentage change (or just percent change) in your salary. That percentage expressed as a decimal, 0.03, is called the proportionate change. To compute your NEW salary, add your OLD salary to the dollar amount of the raise, which is 3% of your OLD salary: NEW = OLD+ 0.03 · OLD. In general, if the value of something (a monetary value, a population) increases by p × 100% from an OLD value to a NEW value, these are related by the formula: NEW = OLD+p·OLD. NEW-OLD Note that, if you solve for P, you have the formula p = OLD (Note that p here is the proportionate change and the percentage change is p × 100%.)
A collectible lunchbox increases in value by 1.2% per year. If it is worth $174 a year from now, what
is its value today?
ANSWER: $
Do not include units in the answer box. Just a number. Round to the nearest cent.
Transcribed Image Text:A collectible lunchbox increases in value by 1.2% per year. If it is worth $174 a year from now, what is its value today? ANSWER: $ Do not include units in the answer box. Just a number. Round to the nearest cent.
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