Question

 A contractor purchases 7 dozen pairs of padded work gloves for ​$95.76. She incorrectly calculates the unit price as ​$13.68 per pair for the expense report. What is the correct unit​ price? What is the​ error?

Answer 1

The unit price is $1.14

Further explanation:

Given

Total work gloves = 7 dozen

Price of 7 dozen = $95.76

so,

$1\ dozen = 12\ pairs\\So,\\Total\ pairs\ of\ work\ gloves= 12*7 = 84\ pairs$

The unit price will be:

$Unit\ price = \frac{total\ price}{total\ pairs}\\ = \frac{95.76}{84} \\= 1.14\ dollars$

The unit price is $1.14

We can see that 95.76/7 is 13.68 so we can say that the contractor might have divided the price with 7 dozen but the dozen has to be converted into units first.

Keywords: Unit price, prices

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