Long and wide

What is the area of a rectangle that is 1 1/4 meters long and 3/4​ of a meter wide

Correct answer:

S =  0.9375 m²

Step-by-step explanation:

$$\begin{gathered} a=1{\displaystyle \frac{1}{4}}=1+{\displaystyle \frac{1}{4}}={\displaystyle \frac{1\cdot 4+1}{4}}={\displaystyle \frac{5}{4}}=1.25\text{ m } \\ b={\displaystyle \frac{3}{4}}=0.75\text{ m } \\ S=a\cdot b=1.25\cdot 0.75={\displaystyle \frac{15}{16}}{\text{m}}^2=0.9375{\text{m}}^2 \end{gathered}$$

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