Questions: 4/5 = d/9

4/5 = d/9
Transcript text: $\frac{4}{5}=\frac{d}{9}$
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Solution

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Solution Steps

Step 1: Cross-multiply to solve for \( d \)

Multiply both sides of the equation by \( 5 \times 9 \) to eliminate the denominators: \[ \frac{4}{5} = \frac{d}{9} \implies 4 \times 9 = 5 \times d \]

Step 2: Simplify the equation

Calculate the left side of the equation: \[ 4 \times 9 = 36 \] So, the equation becomes: \[ 36 = 5d \]

Step 3: Solve for \( d \)

Divide both sides of the equation by \( 5 \) to isolate \( d \): \[ d = \frac{36}{5} \]

Final Answer

\(\boxed{d = \frac{36}{5}}\)

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