If a teacher buys 8 pencils and pays $2. 56, the cost of one pencil is $0.32
Total number of pencils that teacher bought = 8 pencils
Total amount that teacher paid = $2.56
The given condition is cost of each pencil is same.
The cost of one pencil = Total amount that teacher paid / Total number of pencils that teacher bought
Here we have to use unitary method to find the cost of one pencil
The unitary method is defined as the method that used to find the unit cost value.
Substitute the values in the equation
The cost of one pencil = 2.56 / 8
Divide the numbers
= $0.32
Therefore, the cost of one pencil is $0.32
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