Respuesta :
Answer: 200%
Step-by-step explanation:
Given : Over a long period of time, the price of a candy bar rose from $0.20 to $1.20.
Over the same period, the CPI rose from 150 to 300. , where CPI= Consumer price index.
CPI has doubled ⇒ Overall price level doubled.
The price of candy rose by [tex]\dfrac{\$1.20}{\$0.20}=6[/tex] times.
Adjusted for overall inflation , The actual price of the candy ( today )= ($0.20 ) x ( 300) ÷ (150)
=$ 0.40
Now , The change in the price of candy bar = ( New price of candy- actual price of the candy) ÷ (actual price of the candy) x 100
= [tex]\dfrac{\$1.20-\$0.40}{\$0.40}\times100=200\%[/tex]
Hence, the change in the price of the candy = 200%
The price of the candy bar changed by 200% and this can be determined by using the given data.
Given :
- The price of a candy bar rose from $0.20 to $1.20.
- The CPI rose from 150 to 300.
The following steps can be used in order to determine the price of the candy bar change:
Step 1 - First, determine how many times the price of the candy bar rose increases.
[tex]{\rm Number \; of \; Times}=\dfrac{1.20}{0.20}[/tex]
[tex]{\rm Number \; of \; Times}=6[/tex]
Step 2 - Now, determine the actual price of the candy bar rose.
[tex]{\rm Actual\; Price}=\dfrac{0.20\times 300}{150}[/tex]
[tex]{\rm Actual \; Price } = \$ 0.40[/tex]
Step 3 - Now, determine the change in the price of the candy bar rose.
[tex]{\rm Price\; Change} = \dfrac{1.20-0.40}{0.40}\times 100[/tex]
[tex]{\rm Price\; Change} = 200\%[/tex]
The price of the candy bar changed by 200%.
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https://brainly.com/question/25834626
