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Let’s check out your problem:

Solve for r. {:[(r)/(5)=(4)/(7)],[r=]:}

Solve for r r .\newliner5=47r=□ \begin{array}{l} \frac{r}{5}=\frac{4}{7} \\ r=\square \end{array}

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Full solution

Q. Solve for r r .\newliner5=47r=□ \begin{array}{l} \frac{r}{5}=\frac{4}{7} \\ r=\square \end{array}
  1. Identify Equation: Identify the equation to solve.\newlineWe have the equation r5=47\frac{r}{5} = \frac{4}{7}.
  2. Cross-Multiply: Cross-multiply to solve for rr. Multiplying both sides of the equation by 55 gives us r=(47)×5r = \left(\frac{4}{7}\right) \times 5.
  3. Perform Multiplication: Perform the multiplication to find the value of rr.r=4×57r = \frac{4 \times 5}{7}r=207r = \frac{20}{7}
  4. Simplify Fraction: Simplify the fraction (if necessary).\newlineThe fraction 207\frac{20}{7} is already in its simplest form, so this is the value of rr.

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