Question

a grocery store sells chicken for $3.30 per pound. what would be the cost of 2 1/2 pounds of chicken

Answer 1

hello

the store sells chicken for $3.30 per pound

1 pound = $3.30

would would be the cost of 2 1/2 pound

let x represent the cost of 2 1/2 pound

$\begin{gathered} 1\text{ pound = \ 3.30} \\ 2\frac{1}{2}pound\text{ }=\text{ x} \\ \text{1 pound = \ 3.30} \\ \frac{5}{2}\text{ pound = x} \\ cross\text{ multiply and make x the subject of formula} \\ 2.5\text{ }\times\text{ 3.30 }=\text{ 1 }\times\text{ x} \\ x\text{ = 8.25} \end{gathered}$

the cost of 2 1/2 pound chicken is $8.25