only number 4, and please include the working. also do it with the substitution method not elimination or any other.
1 answer:
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Answer:
The correct unit price would be $1.23.
The contractor divided 103.32 by 7, resulting in an error.
Step-by-step explanation:
If we know a dozen equals 12, then 7 dozen looks like:
Multiply.
Now we know the contractor purchases 84 pairs of padded work gloves.
Let's find our unit price:
<em>unit price =</em>
Substitute.
<em>unit price = </em>
Divide.
<em>unit price = </em><em />
<em>__</em>
To find the error of the contractor, let's try substituting in a number (7) provided in the question to see if we get $14.76 per pair:
Divide.