Problem

DOM SEG TER QUA QUI SEX SÁB (U) 071051 Cálcule aplicado Quessere o1) Uma aitisa gamban 20 minuies pora percoserer 4 Quilomires. Otempo ele ycusterá, mantende $\&$ mesme sitimopara porceorra 16 guilometora e iygeal a: $20,9=80$ 80 mimnios \[ 9 \times 9=16 \] Qubsure o2) austre 03 ) Ccrleco $\frac{200}{7} \Rightarrow$ bse selar rãe es $\frac{2}{7}$ da caita. \[ \begin{array}{l} 7100 \%-\frac{200 \%}{7} \Rightarrow 100.7-\frac{200}{7} \cdot 7 \\ 700-200 \quad 5 \% \\ 50 \% \cdot \frac{11 \phi \phi}{5} \\ \end{array} \]

Solution

Step 1 :\(20\% = \frac{1}{5}\) and \(50\% = \frac{1}{2}\)

Step 2 :Calculate \(80\frac{1}{2}\frac{1}{5}\)

Step 3 :\(=\frac{80}{10}\)

Step 4 :\(\boxed{8}\)

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Source: https://solvelyapp.com/problems/30701/

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