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denis23 [38]
3 years ago
9

In 1992, Jason bought a gallon of gas for $1.21. Yesterday, he bought a gallon of gas for $2.08. What is the percentage increase

of the price of a gallon of gas from 1992 to yesterday? If necessary, round to the nearest tenth of a percent.
Mathematics
1 answer:
zimovet [89]3 years ago
7 0
Subtract the old amount from the new amount: 2.08-1.21=0.87.
Divide the difference by the old amount: .87/1.21=0.719 or .72 or 72% :)
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Answer:

The purchase price is $180

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Step-by-step explanation:

Sales tax rate = 5\%

Sales tax on bike = $9

We need to find the purchase price.

Let purchase price = x

We know that Sales tax = 5% of x

and Total price = Purchase Price + Sales tax

So, we can write:

Sales tax = 5% of x

Putting values and finding x

9 =5\% \:of\: x\\9=\frac{5}{100}\:of\:x \\x= \frac{9*100}{5}\\x=180

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Now finding the total price of bicycle

Total price = Purchase Price + Sales tax

Total price = 180 + 9

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