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Which of the following expressions shows how to calculate the unit price for a 28 ounce jar of spaghetti sauce priced at $2.89? 
a.  ($2.89)(28)
b. $2.89 - 28
c.  28 /$2.89
d.  $2.89/28

Verified Answer :

Kalahira

The answer to the question is D. $2.89 / 28. In order to determine the unit price, one has to divide the overall price for an item by the weight of the product, in this case, in ounces. In this sense you will get how much an item is per ounce. So for the example problem, when solved, you will get a price of roughly 10 cents per ounce for the spaghetti jar.

calculista

Answer:

Option D \(\frac{2.89}{28}\)

Step-by-step explanation:

we know that

To find the unit price divide the total cost by the total weight

Let

Up------> unit price

x-----> total cost

y-----> total weight

so

\(Up=\frac{x}{y}\)

we have

\(x=\$2.89\)

\(y=28\ ounces\)

substitute

\(Up=\frac{2.89}{28}=0.10\frac{\$}{oz}\)

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