Question

50 lb of clay cost $16.50 what would it cost if it was 45 bl

Answer 1

`\bf \begin{array}{ccll} \stackrel{clay}{lbs}&\$\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ 50&16.50\\ 45&x \end{array}\implies \cfrac{50}{45}=\cfrac{16.50}{x}\implies x=\cfrac{45\cdot 16.50}{50}`