Unit price is the cost of single unit of product or item. Unit price helps us to determine how much product can purchased in the given money. the Brent can buy 9 pencils in 90 cents.
Given information-
The cost of one pencil is 10 cents.
The total money Brent has is 90 cents.
Unit price is the cost of single unit of product or item. Unit price helps us to determine how much product can purchased in the given money.
Unit price is the ratio of total money to the number of items purchased in that money.
As unit price of per pencil is 10 cents and the total money is 90 cents. It has to find out the number of pencils can be buy in 90 cents.
Let suppose the Brent can buy n pencils in 90 cents. Thus by the definition of unit price,
[tex]10=\dfrac{90}{n}[/tex]
Solve for n,
[tex]n=\dfrac{90}{10} \\n=9[/tex]
Hence the Brent can buy 9 pencils in 90 cents.
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