Pregunta
In Exercises \( 9-10 \), solve each 9. \( \frac{5}{8}=\frac{x}{12} \)
Ask by Chang Evans. in the United States
Jan 30,2025
Solución de tutoría real
Respuesta verificada por el tutor
Responder
\( x = \frac{15}{2} \) or \( x = 7.5 \)
Solución
To solve the equation:
\[
\frac{5}{8} = \frac{x}{12}
\]
**Step 1: Cross-Multiply**
Cross-multiplying helps eliminate the fractions by multiplying the numerator of one ratio by the denominator of the other ratio.
\[
5 \times 12 = 8 \times x
\]
**Step 2: Perform the Multiplication**
\[
60 = 8x
\]
**Step 3: Solve for \( x \)**
Divide both sides of the equation by 8 to isolate \( x \):
\[
x = \frac{60}{8}
\]
**Step 4: Simplify the Fraction**
\[
x = \frac{15}{2} \quad \text{or} \quad x = 7.5
\]
**Final Answer:**
\[
x = \frac{15}{2} \quad \text{or} \quad x = 7.5
\]
Revisado y aprobado por el equipo de tutoría de UpStudy
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Extra Insights
To solve the equation \( \frac{5}{8} = \frac{x}{12} \), we can use cross-multiplication. This means we multiply the numerator of one fraction by the denominator of the other fraction. Thus, we have: \( 5 \cdot 12 = 8 \cdot x \) This simplifies to: \( 60 = 8x \) Next, divide both sides by 8 to isolate \( x \): \( x = \frac{60}{8} = 7.5 \) So, the solution is \( x = 7.5 \).
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