Question

13. SHOPPING You go to the hardware store for some building materials. You purchase 7fans (f) for a house you are remodeling and $8 worth of other materials. You return 2fans (f) that were not working properly. Write an expression that represents yourshopping. After writing your expression, simplify the expression.

Answer 1

The function of the situation would be:

$\begin{gathered} 7\cdot f+8-2\cdot f \\ 5\cdot f+8 \end{gathered}$

therefore, the expression is:

5*f + 8