MATH SOLVE

10 months ago

Q:
# Sam paid $8.28 for 18 stamps at this rate how much would it cost to buy 12 stamps

Accepted Solution

A:

[tex]\bf \begin{array}{ccll}
\$&stamps\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
8.28&18\\
x&12
\end{array}\implies \cfrac{8.28}{x}=\cfrac{18}{12}\implies \cfrac{8.28\cdot 12}{18}=x[/tex]