A large box of spaghetti noodles contains 3 pounds and costs $2.40. A student said the unit cost is $1.20 per pound. Is the student correct? Explain.

Answer :

The cost of 3 pounds =$2.40

For the cost of 1 pound, divide the cost of three pounds noodles with 3.

[tex]\begin{gathered} Cost\text{ of 1 pound noodles=}\frac{2.40}{3} \\ \text{Cost of 1 pound noodles=\$0.8} \end{gathered}[/tex]

The student is not correct ,

The cost of unit pound is $0.8

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