Jeffery

Jeffery is painting a wall. The width of the wall is 9 feet the length of the was, is 8 2/3 feet. What is the area of the wall Jeffery wants to paint?

Correct answer:

S =  78 ft²

Step-by-step explanation:

$$\begin{gathered} a=9\text{ft} \\ b=8\frac{2}{3}=8+\frac{2}{3}=\frac{8\cdot 3+2}{3}=\frac{24+2}{3}=\frac{26}{3}\doteq 8.6667\text{ft} \\ S=a\cdot b=9\cdot \frac{26}{3}=\frac{9\cdot 26}{3}=\frac{234}{3}=78{\text{ft}}^2 \end{gathered}$$

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